docs(changelog): note motion polish, predictive back & reduced-motion

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -15,6 +15,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - The month widget is now interactive: tap any day to open it, or tap an event to
   open its details. Previously only the month's prev/next/today controls
   responded. Thanks to @devinside for spotting this ([#2]).
+- Predictive back. Swiping back from a screen — an event, the editor, search or
+  settings — now follows your finger, shrinking the screen to preview what's
+  behind so you can see where Back will take you before you let go; slide it back
+  to cancel. The preview needs Android 14 or newer; on older versions Back works
+  as before.
+- Respect for "Remove animations". If you've turned animations off in your
+  device's Accessibility settings, Calendula now honours it everywhere: motion
+  collapses to a quick fade and the back preview is skipped.
+
+### Changed
+- Smoother, more consistent motion throughout. Expanding sections, list updates
+  in search and agenda, and the onboarding screens now animate the same way
+  across the app, instead of some places sliding or growing while others popped
+  in. Switching between Month, Week, Day and Agenda now cross-fades rather than
+  snapping, while paging within a view keeps its slide.
 
 ### Fixed
 - Home-screen widgets now back out the way you came in. A day or event opened