diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 6499ab03..e5b2aa16 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -4,36 +4,36 @@ on:
   [push, pull_request]
 
 jobs:
-  test-1-16:
+  test-1-24-jdk25:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v3
+      - name: Set up JDK 25
+        uses: actions/setup-java@v5
         with:
-         java-version: '8'
+         java-version: '25'
          distribution: 'temurin'
 
       - name: Install GStreamer
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify
 
-  test-1-20:
+  test-1-20-jdk8:
 
     runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v3
+      - name: Set up JDK 8
+        uses: actions/setup-java@v5
         with:
          java-version: '8'
          distribution: 'temurin'
@@ -42,4 +42,4 @@ jobs:
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 00000000..222cba3b
--- /dev/null
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,4 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip
+distributionSha256Sum=0d7125e8c91097b36edb990ea5934e6c68b4440eef4ea96510a0f6815e7eeadb
diff --git a/mvnw b/mvnw
new file mode 100755
index 00000000..bd8896bf
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,295 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.4
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${JAVA_HOME-}" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+scriptDir="$(dirname "$0")"
+scriptName="$(basename "$0")"
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+actualDistributionDir=""
+
+# First try the expected directory name (for regular distributions)
+if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then
+  if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then
+    actualDistributionDir="$distributionUrlNameMain"
+  fi
+fi
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if [ -z "$actualDistributionDir" ]; then
+  # enable globbing to iterate over items
+  set +f
+  for dir in "$TMP_DOWNLOAD_DIR"/*; do
+    if [ -d "$dir" ]; then
+      if [ -f "$dir/bin/$MVN_CMD" ]; then
+        actualDistributionDir="$(basename "$dir")"
+        break
+      fi
+    fi
+  done
+  set -f
+fi
+
+if [ -z "$actualDistributionDir" ]; then
+  verbose "Contents of $TMP_DOWNLOAD_DIR:"
+  verbose "$(ls -la "$TMP_DOWNLOAD_DIR")"
+  die "Could not find Maven distribution directory in extracted archive"
+fi
+
+verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
new file mode 100644
index 00000000..5761d948
--- /dev/null
+++ b/mvnw.cmd
@@ -0,0 +1,189 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.4
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
+  IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
+)
+@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
+@SET __MVNW_PSMODULEP_SAVE=
+@SET __MVNW_ARG0_NAME__=
+@SET MVNW_USERNAME=
+@SET MVNW_PASSWORD=
+@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*)
+@echo Cannot start maven from wrapper >&2 && exit /b 1
+@GOTO :EOF
+: end batch / begin powershell #>
+
+$ErrorActionPreference = "Stop"
+if ($env:MVNW_VERBOSE -eq "true") {
+  $VerbosePreference = "Continue"
+}
+
+# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
+$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
+if (!$distributionUrl) {
+  Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+}
+
+switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
+  "maven-mvnd-*" {
+    $USE_MVND = $true
+    $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
+    $MVN_CMD = "mvnd.cmd"
+    break
+  }
+  default {
+    $USE_MVND = $false
+    $MVN_CMD = $script -replace '^mvnw','mvn'
+    break
+  }
+}
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+if ($env:MVNW_REPOURL) {
+  $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" }
+  $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')"
+}
+$distributionUrlName = $distributionUrl -replace '^.*/',''
+$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
+
+$MAVEN_M2_PATH = "$HOME/.m2"
+if ($env:MAVEN_USER_HOME) {
+  $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME"
+}
+
+if (-not (Test-Path -Path $MAVEN_M2_PATH)) {
+    New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null
+}
+
+$MAVEN_WRAPPER_DISTS = $null
+if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) {
+  $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists"
+} else {
+  $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists"
+}
+
+$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain"
+$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
+$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
+
+if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
+  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
+  exit $?
+}
+
+if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
+  Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
+}
+
+# prepare tmp dir
+$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
+$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
+$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
+trap {
+  if ($TMP_DOWNLOAD_DIR.Exists) {
+    try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+  }
+}
+
+New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
+
+# Download and Install Apache Maven
+Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+Write-Verbose "Downloading from: $distributionUrl"
+Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+$webclient = New-Object System.Net.WebClient
+if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
+  $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
+}
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
+if ($distributionSha256Sum) {
+  if ($USE_MVND) {
+    Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
+  }
+  Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
+  if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
+    Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
+  }
+}
+
+# unzip and move
+Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+$actualDistributionDir = ""
+
+# First try the expected directory name (for regular distributions)
+$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain"
+$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD"
+if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) {
+  $actualDistributionDir = $distributionUrlNameMain
+}
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if (!$actualDistributionDir) {
+  Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object {
+    $testPath = Join-Path $_.FullName "bin/$MVN_CMD"
+    if (Test-Path -Path $testPath -PathType Leaf) {
+      $actualDistributionDir = $_.Name
+    }
+  }
+}
+
+if (!$actualDistributionDir) {
+  Write-Error "Could not find Maven distribution directory in extracted archive"
+}
+
+Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null
+try {
+  Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
+} catch {
+  if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
+    Write-Error "fail to move MAVEN_HOME"
+  }
+} finally {
+  try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+  catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+}
+
+Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
diff --git a/pom.xml b/pom.xml
index 6c73453d..e917e0a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,12 +33,12 @@
   
   <distributionManagement>
     <snapshotRepository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <id>sonatype-central</id>
+      <url>https://central.sonatype.com/repository/maven-snapshots</url>
     </snapshotRepository>
     <repository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+      <id>sonatype-central</id>
+      <url>https://repo.maven.apache.org/maven2</url>
     </repository>
   </distributionManagement>
 
@@ -64,10 +64,10 @@
   </developers>
 
   <properties>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.release>8</maven.compiler.release>
     <maven.test.jvmargs></maven.test.jvmargs>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+    <njord.version>0.8.5</njord.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
   <dependencies>
@@ -80,7 +80,7 @@
     <dependency>
       <groupId>net.java.dev.jna</groupId>
       <artifactId>jna</artifactId>
-      <version>[5.2.0,6.0)</version>
+      <version>5.18.1</version>
     </dependency>
   </dependencies>
 
@@ -103,25 +103,40 @@
         </excludes>
       </testResource>
     </testResources>
+    <extensions>
+      <extension>
+        <groupId>eu.maveniverse.maven.njord</groupId>
+        <artifactId>extension3</artifactId>
+        <version>${njord.version}</version>
+      </extension>
+    </extensions>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.0.0-M7</version>
+        <version>3.5.4</version>
         <configuration>
-          <!--<skipTests>true</skipTests>-->
           <forkCount>1</forkCount>
+          <parallel>none</parallel>
           <reuseForks>false</reuseForks>
-          <argLine>-Djna.nosys=true ${maven.test.jvmargs}</argLine>
+          <argLine>-XX:+IgnoreUnrecognizedVMOptions --enable-native-access=ALL-UNNAMED -Djna.nosys=true ${maven.test.jvmargs}</argLine>
           <excludes>
             <exclude>**/Test*.java</exclude>
           </excludes>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.14.1</version>
+        <configuration>
+          <release>8</release>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>3.1.2</version>
+        <version>3.4.2</version>
         <configuration>
           <archive>
             <manifestEntries>
@@ -130,14 +145,6 @@
           </archive>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.10.4</version>
-        <configuration>
-          <excludePackageNames>org.freedesktop.gstreamer.lowlevel</excludePackageNames>
-        </configuration>
-      </plugin>
     </plugins>
   </build>
 
@@ -173,7 +180,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>
-            <version>2.2.1</version>
+            <version>3.3.1</version>
             <executions>
               <execution>
                 <id>attach-sources</id>
@@ -186,9 +193,11 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>2.10.4</version>
+            <version>3.12.0</version>
             <configuration>
+              <doclint>none</doclint>
               <excludePackageNames>org.freedesktop.gstreamer.lowlevel</excludePackageNames>
+              <release>8</release>
             </configuration>
             <executions>
               <execution>
@@ -202,7 +211,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-gpg-plugin</artifactId>
-            <version>1.5</version>
+            <version>3.2.8</version>
             <executions>
               <execution>
                 <id>sign-artifacts</id>
diff --git a/src/org/freedesktop/gstreamer/Bin.java b/src/org/freedesktop/gstreamer/Bin.java
index 74834123..f2e29cd0 100644
--- a/src/org/freedesktop/gstreamer/Bin.java
+++ b/src/org/freedesktop/gstreamer/Bin.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2021 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2016 Christophe Lafolet
  * Copyright (c) 2009 Levente Farkas
  * Copyright (C) 2007 Wayne Meissner
@@ -496,7 +496,7 @@ public void disconnect(DO_LATENCY listener) {
 
     /**
      * Available details for pipeline graphs produced by
-     * {@link #debugToDotFile(int, java.lang.String, boolean)}
+     * {@link #debugToDotFile(java.util.EnumSet, java.lang.String)}
      */
     public static enum DebugGraphDetails implements NativeFlags<DebugGraphDetails> {
 
diff --git a/src/org/freedesktop/gstreamer/Bus.java b/src/org/freedesktop/gstreamer/Bus.java
index ac48e6d3..2520e6e0 100644
--- a/src/org/freedesktop/gstreamer/Bus.java
+++ b/src/org/freedesktop/gstreamer/Bus.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2020 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (C) 2014 Tom Greenwood <tgreenwood@cafex.com>
  * Copyright (C) 2007 Wayne Meissner
  * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
@@ -33,6 +33,7 @@
 import com.sun.jna.ptr.IntByReference;
 import com.sun.jna.ptr.LongByReference;
 import com.sun.jna.ptr.PointerByReference;
+import org.freedesktop.gstreamer.glib.GObject;
 import org.freedesktop.gstreamer.glib.NativeEnum;
 
 import org.freedesktop.gstreamer.glib.Natives;
@@ -766,9 +767,10 @@ public static interface BUFFERING {
          * {@code percent} is a value between 0 and 100. A value of 100 means
          * that the buffering completed.
          * <p>
-         * When {@code percent} is < 100 the application should PAUSE a PLAYING
-         * pipeline. When {@code percent} is 100, the application can set the
-         * pipeline (back) to PLAYING. <p>
+         * When {@code percent} is less than 100 the application should PAUSE a
+         * PLAYING pipeline. When {@code percent} is 100, the application can
+         * set the pipeline (back) to PLAYING.
+         * <p>
          * The application must be prepared to receive BUFFERING messages in the
          * PREROLLING state and may only set the pipeline to PLAYING after
          * receiving a message with {@code percent} set to 100, which can happen
diff --git a/src/org/freedesktop/gstreamer/BusSyncReply.java b/src/org/freedesktop/gstreamer/BusSyncReply.java
index 797e92bb..24ba56f1 100644
--- a/src/org/freedesktop/gstreamer/BusSyncReply.java
+++ b/src/org/freedesktop/gstreamer/BusSyncReply.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2007 Wayne Meissner
  * 
  * This file is part of gstreamer-java.
@@ -20,6 +20,7 @@
 package org.freedesktop.gstreamer;
 
 import org.freedesktop.gstreamer.glib.NativeEnum;
+import org.freedesktop.gstreamer.message.Message;
 
 /**
  * The result values for a GstBusSyncHandler.
diff --git a/src/org/freedesktop/gstreamer/Caps.java b/src/org/freedesktop/gstreamer/Caps.java
index f26a24a7..381cb49f 100644
--- a/src/org/freedesktop/gstreamer/Caps.java
+++ b/src/org/freedesktop/gstreamer/Caps.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2009 Levente Farkas
  * Copyright (C) 2007 Wayne Meissner
  * Copyright (C) <2003> David A. Schleef <ds@schleef.org>
@@ -38,12 +38,12 @@
  * given pad can handle. They are also stored in the {@link Registry} along with
  * a description of the {@link Element}.
  * <p>
- * Caps are exposed on the element pads using the {@link Pad#getCaps} method.
- * This method describes the possible types that the pad can handle or produce
- * at runtime.
+ * Caps are exposed on the element pads using the {@link Pad#getAllowedCaps() }
+ * method. This method describes the possible types that the pad can handle or
+ * produce at runtime.
  * <p>
  * Caps are also attached to buffers to describe the content of the data pointed
- * to by the buffer with {@link Buffer#setCaps}. Caps attached to a
+ * to by the buffer with {@link Sample#setCaps}. Caps attached to a
  * {@link Buffer} allow for format negotiation upstream and downstream.
  * <p>
  * A Caps can be constructed with the following code fragment:
diff --git a/src/org/freedesktop/gstreamer/ClockID.java b/src/org/freedesktop/gstreamer/ClockID.java
index 9bb243ad..ab25ebf8 100644
--- a/src/org/freedesktop/gstreamer/ClockID.java
+++ b/src/org/freedesktop/gstreamer/ClockID.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2007 Wayne Meissner
  * 
  * This file is part of gstreamer-java.
@@ -57,7 +57,8 @@ public long getTime() {
      * Compares this ClockID to another.
      *
      * @param other The other ClockID to compare to
-     * @return negative value if a < b; zero if a = b; positive value if a > b
+     * @return negative value if
+     * {@code a < b; zero if a = b; positive value if a > b}
      */
     @Override
     public int compareTo(ClockID other) {
diff --git a/src/org/freedesktop/gstreamer/Context.java b/src/org/freedesktop/gstreamer/Context.java
index ae83e62e..f77e713e 100644
--- a/src/org/freedesktop/gstreamer/Context.java
+++ b/src/org/freedesktop/gstreamer/Context.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2019 Christophe Lafolet
  * 
  * This file is part of gstreamer-java.
@@ -54,7 +55,7 @@
  * application should provide one if it can.
  * <p>
  * Contexts can be persistent. A persistent context is kept in elements when
- * they reach {@lin State#NULL}, non-persistent ones will be removed. Also, a
+ * they reach {@link State#NULL}, non-persistent ones will be removed. Also, a
  * non-persistent context won't override a previous persistent context set to an
  * element.
  */
diff --git a/src/org/freedesktop/gstreamer/Element.java b/src/org/freedesktop/gstreamer/Element.java
index 57fa69ef..56d86194 100644
--- a/src/org/freedesktop/gstreamer/Element.java
+++ b/src/org/freedesktop/gstreamer/Element.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2021 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2019 Christophe Lafolet
  * Copyright (c) 2009 Levente Farkas
  * Copyright (C) 2007 Wayne Meissner
@@ -61,9 +61,6 @@
  * (or source) pads. Core and plug-in writers can add and remove pads with
  * {@link #addPad} and {@link #removePad}.
  * <p>
- * A pad of an element can be retrieved by name with {@link #getPad}. An list of
- * all pads can be retrieved with {@link #getPads}.
- * <p>
  * Elements can be linked through their pads. If the link is straightforward,
  * use the {@link #link} convenience function to link two elements, or
  * {@link #linkMany} for more elements in a row.
@@ -109,16 +106,16 @@ protected static Initializer makeRawElement(String factoryName, String elementNa
      * destination; the other direction will not be tried.
      * <p>
      * The function looks for existing pads that aren't linked yet. It will
-     * request new pads if necessary. Such pads need to be released manualy when
-     * unlinking. If multiple links are possible, only one is established.
+     * request new pads if necessary. Such pads need to be released manually
+     * when unlinking. If multiple links are possible, only one is established.
      * <p>
      * Make sure you have added your elements to a bin or pipeline with
      * {@link Bin#add} or {@link Bin#addMany} before trying to link them.
      * <p>
-     * See {@link Element#linkPadsFiltered} if you need more control about
-     * which pads are selected for linking.
+     * See {@link #linkPadsFiltered} if you need more control about which pads
+     * are selected for linking.
      *
-     * @param dest The {@link Element} containing the destination pad.
+     * @param dest The element containing the destination pad.
      * @return true if the elements could be linked, false otherwise.
      */
     public boolean link(Element dest) {
@@ -127,20 +124,20 @@ public boolean link(Element dest) {
 
     /**
      * Links this element to another element using the given caps as filtercaps.
-     * The link must be from source to destination; the other direction will
-     * not be tried.
+     * The link must be from source to destination; the other direction will not
+     * be tried.
      * <p>
      * The function looks for existing pads that aren't linked yet. It will
-     * request new pads if necessary. Such pads need to be released manualy when
-     * unlinking. If multiple links are possible, only one is established.
+     * request new pads if necessary. Such pads need to be released manually
+     * when unlinking. If multiple links are possible, only one is established.
      * <p>
      * Make sure you have added your elements to a bin or pipeline with
      * {@link Bin#add} or {@link Bin#addMany} before trying to link them.
      * <p>
-     * See {@link Element#linkPadsFiltered} if you need more control about
-     * which pads are selected for linking.
+     * See {@link #linkPadsFiltered} if you need more control about which pads
+     * are selected for linking.
      *
-     * @param dest The {@link Element} containing the destination pad.
+     * @param dest The element containing the destination pad.
      * @param filter The {@link Caps} to filter the link, or Null for no filter.
      * @return true if the elements could be linked, false otherwise.
      */
@@ -148,23 +145,6 @@ public boolean linkFiltered(Element dest, Caps filter) {
         return GSTELEMENT_API.gst_element_link_filtered(this, dest, filter);
     }
 
-
-//    /**
-//     * Chain together a series of elements, with this element as the first in the list. 
-//     * <p>
-//     * Make sure you have added your elements to a bin or pipeline with
-//     * {@link Bin#add} or {@link Bin#addMany} before trying to link them.
-//     *
-//     * @param elems The list of elements to be linked.
-//     * @return true if the elements could be linked, false otherwise.
-//     */
-//    public boolean link(Element... elems) {
-//        // Its much more efficient to copy the array and let the native code do the linking
-//        Element[] list = new Element[elems.length + 1];
-//        list[0] = this;
-//        System.arraycopy(elems, 0, list, 1, elems.length);
-//        return linkMany(list);
-//    }
     /**
      * Unlinks all source pads of this source element with all sink pads of the
      * sink element to which they are linked.
@@ -222,8 +202,8 @@ public StateChangeReturn pause() {
     }
 
     /**
-     * Tells the Element to pause playing the media stream. Equivalent to
-     * calling {@link #setState(org.freedesktop.gstreamer.State)} with
+     * Tells the Element to stop playing the media stream. Equivalent to calling
+     * {@link #setState(org.freedesktop.gstreamer.State)} with
      * {@link State#NULL}.
      *
      * @return the status of the element's state change.
@@ -279,8 +259,8 @@ public State getState() {
      * Gets the state of the element.
      * <p>
      * For elements that performed an ASYNC state change, as reported by
-     * {@link #setState}, this function will block up to the specified timeout
-     * value for the state change to complete.
+     * {@link #setState(org.freedesktop.gstreamer.State)}, this function will
+     * block up to the specified timeout value for the state change to complete.
      *
      * @param timeout the amount of time to wait.
      * @param units the units of the <tt>timeout</tt>.
@@ -297,8 +277,8 @@ public State getState(long timeout, TimeUnit units) {
      * Gets the state of the element.
      * <p>
      * For elements that performed an ASYNC state change, as reported by
-     * {@link #setState}, this function will block up to the specified timeout
-     * value for the state change to complete.
+     * {@link #setState(org.freedesktop.gstreamer.State)}, this function will
+     * block up to the specified timeout value for the state change to complete.
      *
      * @param timeout The amount of time in nanoseconds to wait.
      * @return The {@link State} the Element is currently in.
@@ -314,13 +294,12 @@ public State getState(long timeout) {
      * Gets the state of the element.
      * <p>
      * For elements that performed an ASYNC state change, as reported by
-     * {@link #setState}, this function will block up to the specified timeout
-     * value for the state change to complete.
+     * {@link #setState(org.freedesktop.gstreamer.State)}, this function will
+     * block up to the specified timeout value for the state change to complete.
      *
      * @param timeout The amount of time in nanoseconds to wait.
      * @param states an array to store the states in. Must be of sufficient size
      * to hold two elements.
-     *
      */
     public void getState(long timeout, State[] states) {
         State[] state = new State[1];
@@ -387,7 +366,7 @@ public List<Pad> getSrcPads() {
     public List<Pad> getSinkPads() {
         return padList(GSTELEMENT_API.gst_element_iterate_sink_pads(this));
     }
-    
+
     private List<Pad> padList(GstIteratorPtr iter) {
         return GstIterator.asList(iter, Pad.class);
     }
@@ -489,7 +468,7 @@ public boolean sendEvent(Event ev) {
     }
 
     /**
-     * Signal emitted when an {@link Pad} is added to this {@link Element}
+     * Signal emitted when an {@link Pad} is added to this element.
      *
      * @see #connect(PAD_ADDED)
      * @see #disconnect(PAD_ADDED)
@@ -506,7 +485,7 @@ public static interface PAD_ADDED {
     }
 
     /**
-     * Signal emitted when an {@link Pad} is removed from this {@link Element}
+     * Signal emitted when an {@link Pad} is removed from this element.
      *
      * @see #connect(PAD_REMOVED)
      * @see #disconnect(PAD_REMOVED)
@@ -523,8 +502,7 @@ public static interface PAD_REMOVED {
     }
 
     /**
-     * Signal emitted when this {@link Element} ceases to generated dynamic
-     * pads.
+     * Signal emitted when this element ceases to generated dynamic pads.
      *
      * @see #connect(NO_MORE_PADS)
      * @see #disconnect(NO_MORE_PADS)
@@ -532,7 +510,7 @@ public static interface PAD_REMOVED {
     public static interface NO_MORE_PADS {
 
         /**
-         * Called when an {@link Element} ceases to generated dynamic pads.
+         * Called when an element ceases to generated dynamic pads.
          *
          * @param element the element which posted this message.
          */
@@ -543,7 +521,7 @@ public static interface NO_MORE_PADS {
      * Add a listener for the <code>pad-added</code> signal
      *
      * @param listener Listener to be called when a {@link Pad} is added to the
-     * {@link Element}.
+     * element.
      */
     public void connect(final PAD_ADDED listener) {
         connect(PAD_ADDED.class, listener, new GstCallback() {
@@ -567,7 +545,7 @@ public void disconnect(PAD_ADDED listener) {
      * Add a listener for the <code>pad-added</code> signal
      *
      * @param listener Listener to be called when a {@link Pad} is removed from
-     * the {@link Element}.
+     * the element.
      */
     public void connect(final PAD_REMOVED listener) {
         connect(PAD_REMOVED.class, listener, new GstCallback() {
@@ -590,8 +568,8 @@ public void disconnect(PAD_REMOVED listener) {
     /**
      * Add a listener for the <code>no-more-pads</code> signal
      *
-     * @param listener Listener to be called when the {@link Element} will has
-     * finished generating dynamic pads.
+     * @param listener Listener to be called when the element has finished
+     * generating dynamic pads.
      */
     public void connect(final NO_MORE_PADS listener) {
         connect(NO_MORE_PADS.class, listener, new GstCallback() {
@@ -641,10 +619,10 @@ public static void unlinkMany(Element... elements) {
      * child of the parent of the other element. If they have different parents,
      * the link fails.
      *
-     * @param src The {@link Element} containing the source {@link Pad}.
+     * @param src The element containing the source {@link Pad}.
      * @param srcPadName The name of the source {@link Pad}. Can be null for any
      * pad.
-     * @param dest The {@link Element} containing the destination {@link Pad}.
+     * @param dest The element containing the destination {@link Pad}.
      * @param destPadName The name of the destination {@link Pad}. Can be null
      * for any pad.
      *
@@ -661,10 +639,10 @@ public static boolean linkPads(Element src, String srcPadName, Element dest, Str
      * fails. If caps is not null, makes sure that the caps of the link is a
      * subset of caps.
      *
-     * @param src The {@link Element} containing the source {@link Pad}.
+     * @param src The element containing the source {@link Pad}.
      * @param srcPadName The name of the source {@link Pad}. Can be null for any
      * pad.
-     * @param dest The {@link Element} containing the destination {@link Pad}.
+     * @param dest The element containing the destination {@link Pad}.
      * @param destPadName The name of the destination {@link Pad}. Can be null
      * for any pad.
      * @param caps The {@link Caps} to use to filter the link.
@@ -679,9 +657,9 @@ public static boolean linkPadsFiltered(Element src, String srcPadName,
     /**
      * Unlink source and destination pads of two elements.
      *
-     * @param src The {@link Element} containing the source {@link Pad}.
+     * @param src The element containing the source {@link Pad}.
      * @param srcPadName The name of the source {@link Pad}.
-     * @param dest The {@link Element} containing the destination {@link Pad}.
+     * @param dest The element containing the destination {@link Pad}.
      * @param destPadName The name of the destination {@link Pad}.
      *
      */
@@ -752,7 +730,7 @@ public long getStartTime() {
      *
      * Toplevel elements like GstPipeline will manage the start_time and
      * base_time on its children. Setting the start_time to
-     * {@link long#NONE} on such a toplevel element will disable the
+     * {@link ClockTime#NONE} on such a toplevel element will disable the
      * distribution of the base_time to the children and can be useful if the
      * application manages the base_time itself, for example if you want to
      * synchronize capture from multiple pipelines, and you can also ensure that
@@ -823,7 +801,7 @@ public long queryDuration(Format format) {
         long[] dur = {0};
         return GSTELEMENT_API.gst_element_query_duration(this, format, dur) ? dur[0] : -1L;
     }
-    
+
     /**
      * Queries an element (usually top-level pipeline or playbin element) for
      * the stream position in nanoseconds. This will be a value between 0 and
@@ -839,7 +817,7 @@ public long queryPosition(Format format) {
         long[] pos = {0};
         return GSTELEMENT_API.gst_element_query_position(this, format, pos) ? pos[0] : -1L;
     }
-    
+
     /**
      * Sends a seek event to an element. See {@link SeekEvent} for the details
      * of the parameters. The seek event is sent to the element using the native
@@ -891,7 +869,7 @@ public boolean seekSimple(Format format, Set<SeekFlags> seekFlags, long seekPosi
         return GSTELEMENT_API.gst_element_seek_simple(this, format,
                 NativeFlags.toInt(seekFlags), seekPosition);
     }
-    
+
     static class Handle extends GstObject.Handle {
 
         public Handle(GstObjectPtr ptr, boolean ownsHandle) {
diff --git a/src/org/freedesktop/gstreamer/Gst.java b/src/org/freedesktop/gstreamer/Gst.java
index 1621fbbd..8835c929 100644
--- a/src/org/freedesktop/gstreamer/Gst.java
+++ b/src/org/freedesktop/gstreamer/Gst.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2020 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2018 Antonio Morales
  * Copyright (c) 2007 Wayne Meissner
  * 
@@ -358,7 +358,7 @@ private static GError extractError(Pointer errorPtr) {
         GErrorStruct struct = new GErrorStruct(errorPtr);
         struct.read();
         GError err = new GError(struct.getCode(), struct.getMessage());
-        GLIB_API.g_error_free(struct);
+        GLIB_API.g_error_free(errorPtr);
         return err;
     }
 
diff --git a/src/org/freedesktop/gstreamer/device/DeviceProviderFactory.java b/src/org/freedesktop/gstreamer/device/DeviceProviderFactory.java
index 64d26d15..a811163d 100644
--- a/src/org/freedesktop/gstreamer/device/DeviceProviderFactory.java
+++ b/src/org/freedesktop/gstreamer/device/DeviceProviderFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2015 Andres Colubri <andres.colubri@gmail.com>
  * Copyright (C) 2013 Olivier Crete <olivier.crete@collabora.com>
  *
@@ -39,9 +39,9 @@
  * DeviceProviderFactory is used to create instances of device providers. A
  * DeviceProviderfactory can be added to a Plugin as it is also a PluginFeature.
  *
- * Use the {@link #find(java.lang.String) and
- * {@link #get() } functions to create device provider
- * instances or use {@link #getByName(java.lang.String) } as a convenient
+ * Use the {@link #find(java.lang.String)} and
+ * {@link #get()} functions to create device provider
+ * instances or use {@link #getByName(java.lang.String)} as a convenient
  * shortcut.
  */
 public class DeviceProviderFactory extends GstObject {
diff --git a/src/org/freedesktop/gstreamer/elements/AppSrc.java b/src/org/freedesktop/gstreamer/elements/AppSrc.java
index 40ab5c8d..54f09325 100644
--- a/src/org/freedesktop/gstreamer/elements/AppSrc.java
+++ b/src/org/freedesktop/gstreamer/elements/AppSrc.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2009 Andres Colubri
  * Copyright (c) 2008 Wayne Meissner
  * Copyright (C) 2007 David Schleef <ds@schleef.org>
@@ -23,6 +23,7 @@
 
 import org.freedesktop.gstreamer.Buffer;
 import org.freedesktop.gstreamer.Caps;
+import org.freedesktop.gstreamer.Element;
 import org.freedesktop.gstreamer.lowlevel.GstAPI.GstCallback;
 import static org.freedesktop.gstreamer.lowlevel.AppAPI.APP_API;
 
diff --git a/src/org/freedesktop/gstreamer/elements/DecodeBin.java b/src/org/freedesktop/gstreamer/elements/DecodeBin.java
index 5f72908d..d9b0e42e 100644
--- a/src/org/freedesktop/gstreamer/elements/DecodeBin.java
+++ b/src/org/freedesktop/gstreamer/elements/DecodeBin.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2016 Christophe Lafolet
  * Copyright (c) 2010 DHoyt <david.g.hoyt@gmail.com>
  *
@@ -31,7 +31,6 @@
 import org.freedesktop.gstreamer.query.Query;
 import org.freedesktop.gstreamer.lowlevel.GValueAPI.GValueArray;
 import org.freedesktop.gstreamer.lowlevel.GstAPI.GstCallback;
-import org.freedesktop.gstreamer.glib.NativeFlags;
 import org.freedesktop.gstreamer.lowlevel.GType;
 import org.freedesktop.gstreamer.lowlevel.GValueAPI;
 
@@ -150,8 +149,8 @@ public void disconnect(AUTOPLUG_CONTINUE listener) {
      * pad is needed. {@link DecodeBin} will by default return an array with all
      * compatible factories, sorted by rank.
      * <p>
-     * If this function returns {@link Optional#EMPTY}, pad will be exposed as a
-     * final caps.
+     * If this function returns {@link Optional#empty()}, pad will be exposed as
+     * a final caps.
      * <p>
      * If this function returns an empty list, the pad will be considered as
      * having an unhandled type media type.
@@ -213,7 +212,7 @@ public static interface AUTOPLUG_SORT {
          * @param pad the new Pad
          * @param caps the caps of the pad that cannot be resolved
          * @param factories A List of possible {@link ElementFactory} to use
-         * @return resorted list or {@link Optional#EMPTY}
+         * @return resorted list or {@link Optional#empty()}
          */
         public Optional<List<ElementFactory>> autoplugSort(
                 DecodeBin element, Pad pad, Caps caps, List<ElementFactory> factories);
diff --git a/src/org/freedesktop/gstreamer/glib/GSocket.java b/src/org/freedesktop/gstreamer/glib/GSocket.java
index 291e8027..27aab519 100644
--- a/src/org/freedesktop/gstreamer/glib/GSocket.java
+++ b/src/org/freedesktop/gstreamer/glib/GSocket.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2021 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2016 Isaac Raño Jares
  * 
  * This file is part of gstreamer-java.
@@ -92,7 +92,7 @@ public boolean isBlocking() {
     private static String extractAndClearError(GErrorStruct struct) {
         struct.read();
         String err = struct.getMessage();
-        GLIB_API.g_error_free(struct);
+        GLIB_API.g_error_free(struct.getPointer());
         return err;
     }
 
diff --git a/src/org/freedesktop/gstreamer/lowlevel/GlibAPI.java b/src/org/freedesktop/gstreamer/lowlevel/GlibAPI.java
index a9239329..7fb51bcb 100644
--- a/src/org/freedesktop/gstreamer/lowlevel/GlibAPI.java
+++ b/src/org/freedesktop/gstreamer/lowlevel/GlibAPI.java
@@ -1,4 +1,5 @@
 /* 
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2009 Levente Farkas
  * Copyright (c) 2007 Wayne Meissner
  * 
@@ -108,7 +109,6 @@ int g_timeout_add_full(int priority, int interval, GSourceFunc function,
     int g_timeout_add_seconds(int interval, GSourceFunc function, Pointer data);
     GstAPI.GErrorStruct g_error_new(int quark, int code, String message);
     void g_error_free(Pointer error);
-    void g_error_free(GstAPI.GErrorStruct error);
     
     void g_source_remove(int id);
     void g_free(Pointer ptr);
diff --git a/src/org/freedesktop/gstreamer/message/GErrorMessage.java b/src/org/freedesktop/gstreamer/message/GErrorMessage.java
index 6076e6d2..387ddfa6 100644
--- a/src/org/freedesktop/gstreamer/message/GErrorMessage.java
+++ b/src/org/freedesktop/gstreamer/message/GErrorMessage.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2019 Neil C Smith
+ * Copyright (C) 2025 Neil C Smith
  * Copyright (C) 2008 Wayne Meissner
  *
  * This file is part of gstreamer-java.
@@ -50,7 +50,7 @@ public int getCode() {
             throw new NullPointerException("Could not parse message");
         }
         int code = err.code;
-        GLIB_API.g_error_free(err);
+        GLIB_API.g_error_free(err.getPointer());
         return code;
     }
     
@@ -65,7 +65,7 @@ public String getMessage() {
             throw new NullPointerException("Could not parse message");
         }
         String message = err.getMessage();
-        GLIB_API.g_error_free(err);
+        GLIB_API.g_error_free(err.getPointer());
         return message;
     }
 
diff --git a/test/org/freedesktop/gstreamer/BusTest.java b/test/org/freedesktop/gstreamer/BusTest.java
index 0f0e6831..951c8714 100644
--- a/test/org/freedesktop/gstreamer/BusTest.java
+++ b/test/org/freedesktop/gstreamer/BusTest.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2020 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2007 Wayne Meissner
  * 
  * This file is part of gstreamer-java.
@@ -145,7 +145,7 @@ public void errorMessage() {
         pipe.dispose();
         assertTrue("ERROR signal not received", signalFired.get());
         assertEquals("Incorrect source object on signal", pipe.src, signalSource.get());
-        GlibAPI.GLIB_API.g_error_free(msg);
+        GlibAPI.GLIB_API.g_error_free(msg.getPointer());
     }
 
     @Test
@@ -171,7 +171,7 @@ public void warningMessage() {
         pipe.dispose();
         assertTrue("WARNING signal not received", signalFired.get());
         assertEquals("Incorrect source object on signal", pipe.src, signalSource.get());
-        GlibAPI.GLIB_API.g_error_free(msg);
+        GlibAPI.GLIB_API.g_error_free(msg.getPointer());
     }
 
     @Test
@@ -197,7 +197,7 @@ public void infoMessage() {
         pipe.dispose();
         assertTrue("INFO signal not received", signalFired.get());
         assertEquals("Incorrect source object on signal", pipe.src, signalSource.get());
-        GlibAPI.GLIB_API.g_error_free(msg);
+        GlibAPI.GLIB_API.g_error_free(msg.getPointer());
     }
 
     @Test
diff --git a/test/org/freedesktop/gstreamer/InitTest.java b/test/org/freedesktop/gstreamer/InitTest.java
index 6ad71c43..2efc9f98 100644
--- a/test/org/freedesktop/gstreamer/InitTest.java
+++ b/test/org/freedesktop/gstreamer/InitTest.java
@@ -1,5 +1,5 @@
 /* 
- * Copyright (c) 2019 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2007 Wayne Meissner
  * 
  * This file is part of gstreamer-java.
@@ -47,7 +47,7 @@ public void testInit() {
             System.out.println("Expected init failure");
             System.out.println(ex);
         }
-        String[] args = Gst.init(available, "InitTest", "--gst-plugin-spew");
+        String[] args = Gst.init(available, "InitTest", "--gst-debug-no-color");
         assertTrue(args.length == 0);
         
         assertTrue(Gst.testVersion(available.getMajor(), available.getMinor()));
diff --git a/test/org/freedesktop/gstreamer/video/VideoTimeCodeMetaTest.java b/test/org/freedesktop/gstreamer/video/VideoTimeCodeMetaTest.java
index 3ce6c9cc..17f9f75b 100644
--- a/test/org/freedesktop/gstreamer/video/VideoTimeCodeMetaTest.java
+++ b/test/org/freedesktop/gstreamer/video/VideoTimeCodeMetaTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Neil C Smith
+ * Copyright (c) 2025 Neil C Smith
  * Copyright (c) 2020 Petr Lastovka
  *
  * This file is part of gstreamer-java.
@@ -33,7 +33,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
-
 public class VideoTimeCodeMetaTest {
 
     @BeforeClass
@@ -59,30 +58,30 @@ public void testVideoWithoutTimeCodeMeta() {
     @Test
     public void testVideoTimeCodeMetaPal() {
         // timecodestamper is available since 1.10
-        TestAssumptions.requireGstVersion(1,10);
+        TestAssumptions.requireGstVersion(1, 10);
         TestAssumptions.requireElement("timecodestamper");
         SampleTester.test(sample -> {
             Buffer buffer = sample.getBuffer();
             if (Gst.testVersion(1, 14)) {
                 assertTrue("Video should contains timecode meta", buffer.hasMeta(VideoTimeCodeMeta.API));
             }
-            VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API);
-            assertNotNull(meta);
-            VideoTimeCode timeCode = meta.getTimeCode();
-
-            //first frame 00:00:00:00
-            assertEquals(0, timeCode.getHours());
-            assertEquals(0, timeCode.getMinutes());
-            assertEquals(0, timeCode.getSeconds());
-            assertEquals(0, timeCode.getFrames());
-
-            VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
-            // PAL standard 25/1
-            assertEquals(25, timeCodeConfig.getNumerator());
-            assertEquals(1, timeCodeConfig.getDenominator());
-            assertTrue(timeCodeConfig.getFlags().isEmpty());
-
-        }, "videotestsrc do-timestamp=true ! video/x-raw,framerate=25/1 ! timecodestamper ! videoconvert ! appsink name=myappsink");
+            try (VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API)) {
+                assertNotNull(meta);
+                VideoTimeCode timeCode = meta.getTimeCode();
+
+                //first frame 00:00:00:00
+                assertEquals(0, timeCode.getHours());
+                assertEquals(0, timeCode.getMinutes());
+                assertEquals(0, timeCode.getSeconds());
+                assertEquals(0, timeCode.getFrames());
+
+                VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
+                // PAL standard 25/1
+                assertEquals(25, timeCodeConfig.getNumerator());
+                assertEquals(1, timeCodeConfig.getDenominator());
+                assertTrue(timeCodeConfig.getFlags().isEmpty());
+            }
+        }, "videotestsrc ! video/x-raw,framerate=25/1 ! timecodestamper ! videoconvert ! appsink name=myappsink");
     }
 
     @Test
@@ -95,22 +94,22 @@ public void testVideoTimeCodeNTSCDrop() {
             if (Gst.testVersion(1, 14)) {
                 assertTrue("Video should contains timecode meta", buffer.hasMeta(VideoTimeCodeMeta.API));
             }
-            VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API);
-            assertNotNull(meta);
-            VideoTimeCode timeCode = meta.getTimeCode();
-
-            //first frame 00:00:00;00
-            assertEquals(0, timeCode.getHours());
-            assertEquals(0, timeCode.getMinutes());
-            assertEquals(0, timeCode.getSeconds());
-            assertEquals(0, timeCode.getFrames());
-
-            VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
-            // NTSC drop standard 30000/1001
-            assertEquals(30000, timeCodeConfig.getNumerator());
-            assertEquals(1001, timeCodeConfig.getDenominator());
-            assertTrue(timeCodeConfig.getFlags().contains(GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME));
-
+            try (VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API)) {
+                assertNotNull(meta);
+                VideoTimeCode timeCode = meta.getTimeCode();
+
+                //first frame 00:00:00;00
+                assertEquals(0, timeCode.getHours());
+                assertEquals(0, timeCode.getMinutes());
+                assertEquals(0, timeCode.getSeconds());
+                assertEquals(0, timeCode.getFrames());
+
+                VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
+                // NTSC drop standard 30000/1001
+                assertEquals(30000, timeCodeConfig.getNumerator());
+                assertEquals(1001, timeCodeConfig.getDenominator());
+                assertTrue(timeCodeConfig.getFlags().contains(GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME));
+            }
         }, "videotestsrc ! video/x-raw,framerate=30000/1001 ! timecodestamper drop-frame=true ! videoconvert ! appsink name=myappsink");
     }
 
@@ -127,22 +126,22 @@ public void testVideoTimeCodeNTSCDropFrame() {
             if (Gst.testVersion(1, 14)) {
                 assertTrue("Video should contains timecode meta", buffer.hasMeta(VideoTimeCodeMeta.API));
             }
-            VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API);
-            assertNotNull(meta);
-            VideoTimeCode timeCode = meta.getTimeCode();
-
-            //first frame 00:00:00;29
-            assertEquals(0, timeCode.getHours());
-            assertEquals(0, timeCode.getMinutes());
-            assertEquals(0, timeCode.getSeconds());
-            assertEquals(29, timeCode.getFrames());
-
-            VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
-            // NTSC drop standard 30000/1001
-            assertEquals(30000, timeCodeConfig.getNumerator());
-            assertEquals(1001, timeCodeConfig.getDenominator());
-            assertTrue(timeCodeConfig.getFlags().contains(GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME));
-            
+            try (VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API)) {
+                assertNotNull(meta);
+                VideoTimeCode timeCode = meta.getTimeCode();
+
+                //first frame 00:00:00;29
+                assertEquals(0, timeCode.getHours());
+                assertEquals(0, timeCode.getMinutes());
+                assertEquals(0, timeCode.getSeconds());
+                assertEquals(29, timeCode.getFrames());
+
+                VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
+                // NTSC drop standard 30000/1001
+                assertEquals(30000, timeCodeConfig.getNumerator());
+                assertEquals(1001, timeCodeConfig.getDenominator());
+                assertTrue(timeCodeConfig.getFlags().contains(GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME));
+            }
         }, "videotestsrc ! video/x-raw,framerate=30000/1001 ! videoconvert ! timecodestamper drop-frame=true ! videoconvert ! appsink name=myappsink", 29);
     }
 
@@ -156,22 +155,22 @@ public void testVideoTimeCodeNTSCNonDrop() {
             if (Gst.testVersion(1, 14)) {
                 assertTrue("Video should contains timecode meta", buffer.hasMeta(VideoTimeCodeMeta.API));
             }
-            VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API);
-            assertNotNull(meta);
-            VideoTimeCode timeCode = meta.getTimeCode();
-
-            //first frame 00:00:00:00
-            assertEquals(0, timeCode.getHours());
-            assertEquals(0, timeCode.getMinutes());
-            assertEquals(0, timeCode.getSeconds());
-            assertEquals(0, timeCode.getFrames());
-
-            VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
-            // NTSC drop standard 30/1
-            assertEquals(30, timeCodeConfig.getNumerator());
-            assertEquals(1, timeCodeConfig.getDenominator());
-            assertTrue(timeCodeConfig.getFlags().isEmpty());
-
+            try (VideoTimeCodeMeta meta = buffer.getMeta(VideoTimeCodeMeta.API)) {
+                assertNotNull(meta);
+                VideoTimeCode timeCode = meta.getTimeCode();
+
+                //first frame 00:00:00:00
+                assertEquals(0, timeCode.getHours());
+                assertEquals(0, timeCode.getMinutes());
+                assertEquals(0, timeCode.getSeconds());
+                assertEquals(0, timeCode.getFrames());
+
+                VideoTimeCodeConfig timeCodeConfig = timeCode.getConfig();
+                // NTSC drop standard 30/1
+                assertEquals(30, timeCodeConfig.getNumerator());
+                assertEquals(1, timeCodeConfig.getDenominator());
+                assertTrue(timeCodeConfig.getFlags().isEmpty());
+            }
         }, "videotestsrc ! video/x-raw,framerate=30/1 ! timecodestamper ! videoconvert ! appsink name=myappsink");
     }
 }