Change to late init and added a Changelog item.

components/service/glean/src/main/java/mozilla/components/service/glean/Glean.kt

@@ -46,7 +46,7 @@ import kotlin.properties.Delegates
 open class GleanInternalAPI internal constructor () {
     private val logger = Logger("glean/Glean")
 
-    private var applicationContext: Context by Delegates.notNull()
+    private lateinit var applicationContext: Context
 
     // Include our singletons of StorageEngineManager and PingMaker
     private lateinit var storageEngineManager: StorageEngineManager

docs/changelog.md

@@ -27,6 +27,9 @@ permalink: /changelog/
 * **feature-intent**
   * Added support for NFC tag intents to `TabIntentProcessor`.
 
+* **firefox-accounts**, **service-fretboard**
+  * ⚠️ **This is a breaking change**: Due to migration to WorkManager v2.2.0, some classes like `WorkManagerSyncScheduler` and `WorkManagerSyncDispatcher` now expects a `Context` in their constructors.
+
 # 15.0.0
 
 * [Commits](https://github.com/mozilla-mobile/android-components/compare/v14.0.0...v15.0.0)