diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b5b898d..809e1158 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+### 1.47.0 - 2026-02-24
+- Always use container relative URLs
+- Remove ExperimentalFeatures.containerRelativeURL
+- Update tests to assume container relative URLs
+- Add justfile
+
 ### 1.46.1 - 2026-02-17
 - Update Array filter multi-value delimiter to ';' to match IN/NOT IN filter types to allow filter type conversion
 
diff --git a/justfile b/justfile
new file mode 100644
index 00000000..7a059607
--- /dev/null
+++ b/justfile
@@ -0,0 +1,102 @@
+# Note: this justfile should work for anyone using MacOS, however with some work we can probably get it to also work on
+# Windows if we use the [unix] and [windows] attributes on the commands that execute shell scripts:
+#   https://just.systems/man/en/attributes.html#enabling-and-disabling-recipes180
+
+[private]
+default:
+    just --list
+
+currentBranch := `git branch --show-current`
+branchAsTag := replace(currentBranch, '_', '-')
+packageName := '@labkey/api'
+pwd := `pwd`
+
+# We quote the paths from our environment variables so these variables will work even if the paths contains spaces
+# We trim the trailing / from our environment variables so we can treat them consistently with our other paths
+components := quote(trim_end_match(env('LABKEY_UI_COMPONENTS_HOME'), '/') / 'packages/components')
+premium := quote(trim_end_match(env('LABKEY_UI_PREMIUM_HOME'), '/'))
+distPath := 'node_modules' / packageName / 'dist'
+sourceDist := pwd / 'dist/'
+modulesToBump := components + ' ' + premium
+copyLocations := append('/' + distPath, modulesToBump)
+
+# Builds the package
+build:
+    npm run build
+
+# Copies built package to NODE_MODULES directory for every module listed in copyLocations
+copy:
+    #!/usr/bin/env zsh
+    set -euo pipefail
+    for module in {{ copyLocations }}; do
+        echo '{{ GREEN }}'Copying built package to '{{CYAN}}'$module'{{ NORMAL }}'
+        rsync -ra {{ sourceDist }} $module
+    done
+
+# Builds the package and copies it to NODE_MODULES for every module listed in copyLocations
+bc: build copy
+
+# Bumps version to a prerelease version based on the current branch name
+preVersion:
+    @echo {{ GREEN }}Bumping prerelease version with preid='{{CYAN}}'{{ branchAsTag }}{{ NORMAL }}
+    @npm version prerelease --preid {{ branchAsTag }} --no-git-tag-version
+
+# Publishes the current version with the current branch name as a tag
+publishPreVersion:
+    @echo {{ GREEN }}Publishing prerelease package{{ NORMAL }}
+    @npm publish --tag {{ branchAsTag }}
+
+[private]
+sleep:
+    @echo {{ GREEN }}"Sleeping so artifactory doesn't return 404"{{ NORMAL }}
+    @sleep 6
+
+# Lists the modules in the 'modulesToBump' variable
+listModules:
+    #!/usr/bin/env zsh
+    set -euo pipefail
+    for module in {{ modulesToBump }}; do
+        echo $module
+    done
+
+# Stored as a string because we want to execute this when scripts are run, not when the justfile is evaluated, so we
+# always have the most up to date version.
+currentVersionImport := quote("require('./package.json').version")
+
+# lists the current package version
+version:
+    @echo $(node -p -e {{ currentVersionImport }})
+
+# Bumps the @labkey/premium package to the current version in every module listed in the modulesToBump variable
+bump:
+    #!/usr/bin/env zsh
+    set -euo pipefail
+    v=$(node -p -e {{ currentVersionImport }})
+    echo '{{ GREEN }}'Bumping {{ packageName }} to '{{CYAN}}'$v'{{ NORMAL }}'
+    for module in {{ modulesToBump }}; do
+        pushd $module
+        echo '{{ GREEN }}'Bumping {{ packageName }} in '{{CYAN}}'$(pwd)'{{ NORMAL }}'
+        npm install --legacy-peer-deps --save-exact {{ packageName }}@$v
+        popd
+    done
+
+# Bumps the version to a prerelease version based on the current branch name, publishes the version, and bumps it in every module listed in modulesToBump
+release: preVersion publishPreVersion sleep bump
+
+# Bumps the major version
+major:
+    npm version major --no-git-tag-version
+
+# Bumps the minor version
+minor:
+    npm version minor --no-git-tag-version
+
+# Bumps the patch version
+patch:
+    npm version patch --no-git-tag-version
+
+# Publishes the current version, must be a production version
+publish:
+    npm publish
+
+pb: publish sleep bump
diff --git a/package-lock.json b/package-lock.json
index e432717a..926b70fc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@labkey/api",
-  "version": "1.46.1",
+  "version": "1.47.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@labkey/api",
-      "version": "1.46.1",
+      "version": "1.47.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "@babel/core": "7.29.0",
diff --git a/package.json b/package.json
index efaa2a34..6bca497d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@labkey/api",
-  "version": "1.46.1",
+  "version": "1.47.0",
   "description": "JavaScript client API for LabKey Server",
   "scripts": {
     "build": "npm run build:dist && npm run build:docs",
diff --git a/src/labkey/ActionURL.spec.ts b/src/labkey/ActionURL.spec.ts
index 4cb5de47..a28c8a29 100644
--- a/src/labkey/ActionURL.spec.ts
+++ b/src/labkey/ActionURL.spec.ts
@@ -31,13 +31,13 @@ describe('ActionURL', () => {
 
         it('should build the correct URL', () => {
             const url = ActionURL.buildURL('project', 'getWebPart', 'MyContainer');
-            expect(url).toEqual('/project/MyContainer/getWebPart.view');
+            expect(url).toEqual('/MyContainer/project-getWebPart.view');
         });
 
         it('should build the correct URL with optional parameters', () => {
             const params = { listId: 50, returnUrl: 'home', array: [10, 'li'] };
             const url = ActionURL.buildURL('project', 'getWebPart', 'MyContainer', params);
-            expect(url).toEqual('/project/MyContainer/getWebPart.view?listId=50&returnUrl=home&array=10&array=li');
+            expect(url).toEqual('/MyContainer/project-getWebPart.view?listId=50&returnUrl=home&array=10&array=li');
         });
     });
 
diff --git a/src/labkey/ActionURL.ts b/src/labkey/ActionURL.ts
index 11493c41..50a77c02 100644
--- a/src/labkey/ActionURL.ts
+++ b/src/labkey/ActionURL.ts
@@ -120,15 +120,10 @@ export function buildURL(
     if (action.indexOf('.') == -1) {
         action += '.view';
     }
-    const query = queryString(parameters);
 
-    let newURL: string;
-    const { contextPath, experimental } = getServerContext();
-    if (experimental && experimental.containerRelativeURL) {
-        newURL = contextPath + containerPath + controller + '-' + action;
-    } else {
-        newURL = contextPath + '/' + controller + containerPath + action;
-    }
+    const query = queryString(parameters);
+    const { contextPath } = getServerContext();
+    let newURL = contextPath + containerPath + controller + '-' + action;
 
     if (query) {
         newURL += '?' + query;
diff --git a/src/labkey/Assay.spec.ts b/src/labkey/Assay.spec.ts
index bdd748e0..56bf5f7a 100644
--- a/src/labkey/Assay.spec.ts
+++ b/src/labkey/Assay.spec.ts
@@ -40,7 +40,7 @@ describe('assayList.api requests', () => {
         // Assert
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
-                url: '/assay/my/special/folder/assayList.api',
+                url: '/my/special/folder/assay-assayList.api',
             })
         );
     });
@@ -59,7 +59,7 @@ describe('assayList.api requests', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 jsonData: { id: assayId },
-                url: '/assay/my/special/folder/assayList.api',
+                url: '/my/special/folder/assay-assayList.api',
             })
         );
     });
@@ -78,7 +78,7 @@ describe('assayList.api requests', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 jsonData: { name: assayName },
-                url: '/assay/my/special/folder/assayList.api',
+                url: '/my/special/folder/assay-assayList.api',
             })
         );
     });
@@ -97,7 +97,7 @@ describe('assayList.api requests', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 jsonData: { type: assayType },
-                url: '/assay/my/special/folder/assayList.api',
+                url: '/my/special/folder/assay-assayList.api',
             })
         );
     });
@@ -117,7 +117,7 @@ describe('assayList.api requests', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 jsonData: { id, name, plateEnabled, status, type },
-                url: '/assay/assayList.api',
+                url: '/assay-assayList.api',
             })
         );
     });
diff --git a/src/labkey/Report.spec.ts b/src/labkey/Report.spec.ts
index 6a6e1d92..6ed1fb16 100644
--- a/src/labkey/Report.spec.ts
+++ b/src/labkey/Report.spec.ts
@@ -35,7 +35,7 @@ describe('execute', () => {
         // Assert
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
-                url: '/reports/execute.api',
+                url: '/reports-execute.api',
                 method: 'POST',
                 jsonData: {
                     reportId: 'db:123',
diff --git a/src/labkey/constants.ts b/src/labkey/constants.ts
index ceb77045..52636784 100644
--- a/src/labkey/constants.ts
+++ b/src/labkey/constants.ts
@@ -74,7 +74,6 @@ export interface Project {
 }
 
 export enum ExperimentalFeatures {
-    containerRelativeURL = 'containerRelativeURL',
     disableGuestAccount = 'disableGuestAccount',
 }
 
diff --git a/src/labkey/query/Rows.spec.ts b/src/labkey/query/Rows.spec.ts
index ffb0d1d7..e92ebc5f 100644
--- a/src/labkey/query/Rows.spec.ts
+++ b/src/labkey/query/Rows.spec.ts
@@ -40,7 +40,7 @@ describe('deleteRows', () => {
                     rows,
                     schemaName,
                 }),
-                url: '/query/deleteRows.api',
+                url: '/query-deleteRows.api',
             })
         );
     });
@@ -69,7 +69,7 @@ describe('insertRows', () => {
                     rows,
                     schemaName,
                 }),
-                url: '/query/insertRows.api',
+                url: '/query-insertRows.api',
             })
         );
     });
@@ -92,7 +92,7 @@ describe('insertRows', () => {
             expect.objectContaining({
                 method: 'POST',
                 form: expect.anything(),
-                url: '/query/insertRows.api',
+                url: '/query-insertRows.api',
             })
         );
         expect(requestSpy).toHaveBeenCalledWith(
@@ -117,7 +117,7 @@ describe('insertRows', () => {
             expect.objectContaining({
                 method: 'POST',
                 form: expect.anything(),
-                url: '/query/insertRows.api',
+                url: '/query-insertRows.api',
             })
         );
     });
@@ -146,7 +146,7 @@ describe('updateRows', () => {
                     rows,
                     schemaName,
                 }),
-                url: '/query/updateRows.api',
+                url: '/query-updateRows.api',
             })
         );
     });
@@ -169,7 +169,7 @@ describe('updateRows', () => {
             expect.objectContaining({
                 method: 'POST',
                 form: expect.anything(),
-                url: '/query/updateRows.api',
+                url: '/query-updateRows.api',
             })
         );
         expect(requestSpy).toHaveBeenCalledWith(
@@ -224,7 +224,7 @@ describe('saveRows', () => {
                 jsonData: expect.objectContaining({
                     commands,
                 }),
-                url: '/query/saveRows.api',
+                url: '/query-saveRows.api',
             })
         );
     });
@@ -267,7 +267,7 @@ describe('saveRows', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 method: 'POST',
-                url: '/query/saveRows.api',
+                url: '/query-saveRows.api',
             })
         );
         const form = requestSpy.mock.lastCall[0].form;
diff --git a/src/labkey/query/SelectRows.spec.ts b/src/labkey/query/SelectRows.spec.ts
index ac7214c8..02040a63 100644
--- a/src/labkey/query/SelectRows.spec.ts
+++ b/src/labkey/query/SelectRows.spec.ts
@@ -88,7 +88,7 @@ describe('selectRows', () => {
         expect(requestSpy).toHaveBeenCalledWith(
             expect.objectContaining({
                 // default to container-free URL
-                url: '/query/getQuery.api',
+                url: '/query-getQuery.api',
 
                 // default to 'GET' request
                 method: 'GET',
@@ -138,7 +138,7 @@ describe('selectRows -- optional parameters', () => {
 
     test('containerPath', () => {
         const containerPath = '/container';
-        expect(selectRowsRequest({ containerPath })).toHaveProperty('url', '/query/container/getQuery.api');
+        expect(selectRowsRequest({ containerPath })).toHaveProperty('url', '/container/query-getQuery.api');
     });
 
     test('dataRegionName', () => {