diff --git a/.circleci/config.yml b/.circleci/config.yml
index c9ac7d57a..78858e706 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,9 +22,9 @@ defaults: &defaults
 
     - restore_cache:
         keys:
-          - stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}-{{ checksum "all-cabal.txt" }}
-          - stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}
-          - stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "resolver.txt" }}
+          - stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}-{{ checksum "all-cabal.txt" }}
+          - stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}
+          - stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "resolver.txt" }}
 
     - run:
         name: Stack setup
@@ -55,7 +55,7 @@ defaults: &defaults
         command: rm -fr ~/.cache/cabal-helper
 
     - save_cache:
-        key: stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "resolver.txt" }}
+        key: stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "resolver.txt" }}
         paths:
           - ~/.stack
           - ~/.cache
@@ -77,7 +77,7 @@ defaults: &defaults
         path: test-logs
 
     - save_cache:
-        key: stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}
+        key: stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}
         paths:
           - ~/.stack
           - ~/.cache
@@ -90,7 +90,7 @@ defaults: &defaults
           - ~/build/submodules/cabal-helper/.stack-work
 
     - save_cache:
-        key: stack-cache-10-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}-{{ checksum "all-cabal.txt" }}
+        key: stack-cache-11-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "stack-build.txt" }}-{{ checksum "all-cabal.txt" }}
         paths:
           - ~/.stack
           - ~/.cache
diff --git a/Changelog.md b/Changelog.md
index b52569bfd..d72984ddc 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,46 @@
+# 0.3.0.0
+
+ - LSP mode is now the default, and the `--lsp` flag has no effect
+   - The `--json` flag can be used for JSON transport
+ - HIE now warns you if there is mismatch between the HIE GHC verison and the project GHC version
+ - Add Liquid Haskell support
+ - Add support for hierarchical document symbols
+ - Add many new types of code actions
+   - Typed holes
+   - HaRe refactoring
+   - Misspelled variables
+   - Missing top-level signatures
+   - Prefix unused terms with `_`
+   - Case splitting
+   - Suggested pragmas and language extensions
+ - The parsed output from a module is now cached
+   - Some features are now available without the need for the module to typecheck first
+ - Improve code completion
+   - Suggests modules that can be imported
+   - Suggests GHC extensions
+   - Recognizes when completing a type or expression
+   - Provides snippets for arguments to functions
+ - Add the ability to set an explicit hoogle database
+
+Thanks to the contributors for this release:
+ - @Avi-D-coder
+ - @Gurkenglas
+ - @Technix
+ - @alanz
+ - @apeyroux
+ - @bbarker
+ - @bubba
+ - @cblp
+ - @cronokirby
+ - @expipiplus1
+ - @jhrcek
+ - @jkachmar
+ - @lorenzo
+ - @m13m
+ - @meck
+ - @mpilgrem
+ - @waddlaw
+
 # 0.2.2.0
 
 Add more code actions for various diagnostics:
diff --git a/haskell-ide-engine.cabal b/haskell-ide-engine.cabal
index 3c8e0245b..8f2b98b30 100644
--- a/haskell-ide-engine.cabal
+++ b/haskell-ide-engine.cabal
@@ -1,5 +1,5 @@
 name:                haskell-ide-engine
-version:             0.2.2.0
+version:             0.3.0.0
 synopsis:            Provide a common engine to power any Haskell IDE
 description:         Please see README.md
 homepage:            http://github.com/githubuser/haskell-ide-engine#readme
diff --git a/stack-8.4.3.yaml b/stack-8.4.3.yaml
index 489214121..c4f6463c4 100644
--- a/stack-8.4.3.yaml
+++ b/stack-8.4.3.yaml
@@ -8,6 +8,7 @@ extra-deps:
 - ./submodules/HaRe
 - ./submodules/ghc-mod
 - ./submodules/ghc-mod/core
+
 - base-compat-0.9.3
 - cabal-helper-0.8.1.0@rev:0
 - cabal-plan-0.3.0.0
diff --git a/stack-8.4.4.yaml b/stack-8.4.4.yaml
index 8129f9fef..0d4ce313f 100644
--- a/stack-8.4.4.yaml
+++ b/stack-8.4.4.yaml
@@ -1,4 +1,4 @@
-resolver: lts-12.16 # LTS 12.15 is first to support GHC 8.4.4
+resolver: lts-12.17 # LTS 12.15 is first to support GHC 8.4.4
 packages:
 - .
 - hie-plugin-api
@@ -8,6 +8,7 @@ extra-deps:
 - ./submodules/HaRe
 - ./submodules/ghc-mod
 - ./submodules/ghc-mod/core
+
 - base-compat-0.9.3
 - cabal-helper-0.8.1.0@rev:0
 - cabal-plan-0.3.0.0
diff --git a/stack.yaml b/stack.yaml
index eb5b8cc9f..2661643c7 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2018-09-28 # Last GHC 8.4.3
+resolver: lts-12.17 # GHC 8.4.4
 packages:
 - .
 - hie-plugin-api
@@ -9,22 +9,19 @@ extra-deps:
 - ./submodules/ghc-mod
 - ./submodules/ghc-mod/core
 
-- aeson-1.3.1.1
 - base-compat-0.9.3
-- base-orphans-0.7
 - cabal-helper-0.8.1.0@rev:0
 - cabal-plan-0.3.0.0
 - constrained-dynamic-0.1.0.0
-- ekg-json-0.1.0.6
-- ekg-wai-0.1.0.3
+- ghc-exactprint-0.5.8.2
 - haddock-api-2.20.0
+- haddock-library-1.6.0
+- haskell-lsp-0.8.0.1
+- haskell-lsp-types-0.8.0.1
 - hsimport-0.8.6
 - lsp-test-0.4.0.0
-- monad-memo-0.4.1
-- semigroupoids-5.2.2
 - syz-0.2.0.0
 - temporary-1.2.1.1
-- yaml-0.8.32
 
 flags:
   haskell-ide-engine: