Add some missing changelogs (#1015)

Author: keveleigh

org.mixedrealitytoolkit.core/CHANGELOG.md

@@ -2,14 +2,16 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
-## [3.2.3-development] - 2024-06-24
+## Unreleased
 
 ### Fixed
 
 * Fixed broken project validation help link, for item 'MRTK3 profile may need to be assigned for the Standalone build target' (Issue #882) [PR #886](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/886)
 * Fixed the "Is Interactable" convenience alias on StatefulInteractableEditor to allow multi-object editing in the Inspector to update all values. (Issue #573) [PR #943](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/943)
+* Augment SerializableDictionary to allow temporary duplicates in Editor to prevent serialization errors. [PR #961](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/961)
+* Fix an issue with the "Init Controllers" type lookup within InteractionModeManager.InitializeControllers() to find XRBaseControllers instead of XRControllers. [PR #961](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/961)
 
-## [3.2.2-development] - 2024-06-13
+## [3.2.2] - 2024-09-18
 
 ### Fixed
 

org.mixedrealitytoolkit.uxcore/CHANGELOG.md

@@ -13,6 +13,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 * Fixed an issue when selecting a PressableButton in Editor scene view causing error spam. (Issue #772) [PR #943](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/943)
 * Prevent simultaneous editing of multiple input fields when using Non-Native Keyboard. [PR #942](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/942)
 * Don't try to start a coroutine in VirtualizedScrollRectList when the GameObject is inactive. [PR #972](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/972)
+* Fix SliderSounds playing sound even when disabled. [PR #1007](https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity/pull/1007)
 
 ## [3.2.2] - 2024-09-18