Updated RELEASENOTES.md & version for release 4.0.0 (common-v4.0.0)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 9a66c5c..709140f 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -20,6 +20,61 @@
 -->
 # cordova-common Release Notes
 
+### 4.0.0 (Mar 26, 2020)
+
+* [GH-140](https://github.com/apache/cordova-common/pull/140) breaking: bump all dependencies to latest
+  * bump `fs-extra@^9.0.0`
+  * bump `@cordova/eslint-config@^3.0.0`
+  * bump `jasmine-spec-reporter@^5.0.1`
+  * bump Github Actions `actions/checkout@v2`
+* [GH-139](https://github.com/apache/cordova-common/pull/139) chore: various cleanup tasks
+* [GH-138](https://github.com/apache/cordova-common/pull/138) chore(dependency): update dev & non-dev dependencies
+* [GH-137](https://github.com/apache/cordova-common/pull/137) refactor: transform `var` to `let`/`const`
+* [GH-136](https://github.com/apache/cordova-common/pull/136) ci: final migration to actions
+* [GH-85](https://github.com/apache/cordova-common/pull/85) style: improve line spacing & group like items
+* [GH-124](https://github.com/apache/cordova-common/pull/124) fix(`ConfigFile`): correctly resolve *-Info.plist file path
+* [GH-135](https://github.com/apache/cordova-common/pull/135) fix(`ConfigFile`): Normalize globbed file paths
+* [GH-134](https://github.com/apache/cordova-common/pull/134) test(`ConfigFile`): minor improvements
+* [GH-121](https://github.com/apache/cordova-common/pull/121) feat(`CordovaError`): support for error cause & more
+* [GH-133](https://github.com/apache/cordova-common/pull/133) refactor(`ConfigParser`): cleanup & simplify
+* [GH-132](https://github.com/apache/cordova-common/pull/132) refactor(`PluginInfo`): cleanup & simplify
+* [GH-131](https://github.com/apache/cordova-common/pull/131) refactor(misc): cleanup & simplify
+* [GH-130](https://github.com/apache/cordova-common/pull/130) refactor(`ConfigChanges`): simplify
+* [GH-128](https://github.com/apache/cordova-common/pull/128) refactor(`xml-helpers`): DRY & simplify
+* [GH-129](https://github.com/apache/cordova-common/pull/129) fix: broken lock file from [#95](https://github.com/apache/cordova-common/pu#95)
+* [GH-127](https://github.com/apache/cordova-common/pull/127) refactor(`munge-util`): DRY & simplify
+* [GH-95](https://github.com/apache/cordova-common/pull/95) TEST: Test using GitHub workflows for CI
+* [GH-125](https://github.com/apache/cordova-common/pull/125) test(`ConfigFile`): group & cleanup tests
+* [GH-126](https://github.com/apache/cordova-common/pull/126) chore!: remove main export `mungeUtil`
+* [GH-123](https://github.com/apache/cordova-common/pull/123) refactor: `FileUpdater`
+* [GH-119](https://github.com/apache/cordova-common/pull/119) refactor: use ES6 classes where applicable
+* [GH-118](https://github.com/apache/cordova-common/pull/118) refactor: use template strings where applicable
+* [GH-116](https://github.com/apache/cordova-common/pull/116) refactor: use property shorthand notation
+* [GH-115](https://github.com/apache/cordova-common/pull/115) refactor: transform `var` to `let`/`const`
+* [GH-114](https://github.com/apache/cordova-common/pull/114) refactor: do not alias `this`
+* [GH-113](https://github.com/apache/cordova-common/pull/113) refactor: use arrow functions where applicable
+* [GH-120](https://github.com/apache/cordova-common/pull/120) refactor: move `CordovaError` module up
+* [GH-117](https://github.com/apache/cordova-common/pull/117) refactor(`CordovaError`)!: remove unused features
+* [GH-111](https://github.com/apache/cordova-common/pull/111) chore: remove support for ubuntu platform
+* [GH-109](https://github.com/apache/cordova-common/pull/109) chore: consolidate eslint configs
+* [GH-108](https://github.com/apache/cordova-common/pull/108) style: drop jasmine env workaround
+* [GH-105](https://github.com/apache/cordova-common/pull/105) refactor: eslint setup
+* [GH-107](https://github.com/apache/cordova-common/pull/107) test: always run code coverage during `npm test`
+* [GH-106](https://github.com/apache/cordova-common/pull/106) ci(travis): run codecov using npx in `after_success`
+* [GH-103](https://github.com/apache/cordova-common/pull/103) chore: bump production dependencies
+* [GH-101](https://github.com/apache/cordova-common/pull/101) chore: update jasmine dependencies & config
+* [GH-100](https://github.com/apache/cordova-common/pull/100) chore: replace `instanbul` w/ `nyc`
+* [GH-102](https://github.com/apache/cordova-common/pull/102) chore: drop unused & unneeded dependencies
+* [GH-104](https://github.com/apache/cordova-common/pull/104) chore: improve npm ignore list
+* [GH-96](https://github.com/apache/cordova-common/pull/96) feat: Replace `addProperty` with ES6 getters
+* [GH-94](https://github.com/apache/cordova-common/pull/94) fix: `PluginInfoProvider` for scoped plugins
+* [GH-71](https://github.com/apache/cordova-common/pull/71) chore: update `strip-bom@4`
+* [GH-90](https://github.com/apache/cordova-common/pull/90) chore: drop node 6 and 8 support
+* [GH-97](https://github.com/apache/cordova-common/pull/97) Use `Array.prototype.find` in `CordovaError`
+* [GH-93](https://github.com/apache/cordova-common/pull/93) Re-apply fix for failing `CordovaError` test
+* [GH-92](https://github.com/apache/cordova-common/pull/92) Remove obsolete JSHint comments
+* [GH-87](https://github.com/apache/cordova-common/pull/87) Convert `CordovaError` to ES6 class
+
 ### 3.2.1 (Oct 28, 2019)
 
 * [GH-78](https://github.com/apache/cordova-common/pull/78) (windows) Add `.jsproj` as file extension for XML files ([GH-62](https://github.com/apache/cordova-common/pull/62))
diff --git a/package-lock.json b/package-lock.json
index 89c3206..ede39a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-common",
-  "version": "4.0.0-dev",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 5a6eb92..edfb8aa 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "name": "cordova-common",
   "description": "Apache Cordova tools and platforms shared routines",
   "license": "Apache-2.0",
-  "version": "4.0.0-dev",
+  "version": "4.0.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/apache/cordova-common"