Changelog for 0.20.0 updated

Author: FeodorFitsner

CHANGELOG.md

@@ -2,7 +2,10 @@
 
 # 0.20.0
 
-* `Page.design` property to force Material, Cupertino or Adaptive design language on entire app ([#2607](https://github.com/flet-dev/flet/issues/2607)).
+* `AppBar.system_overlay_style` property ([#2615](https://github.com/flet-dev/flet/issues/2615)).
+* New `CupertinoButton` props: `filled`, `style.bgcolor`, `style.padding`, `text`, `icon`, `icon_color`.
+* Added `NavigationBar.border` property which is used in adaptive mode only.
+* `Page.design` and `Pagelet.design` properties to force Material, Cupertino or Adaptive design language on entire app ([#2607](https://github.com/flet-dev/flet/issues/2607)).
 * `Page.media` property with the data about obstructed spaces on the device ([#2613](https://github.com/flet-dev/flet/issues/2613)).
 * Adaptive buttons ([#2591](https://github.com/flet-dev/flet/issues/2591)).
 * `--include-packages` option and support for `pubspec.yaml` for custom Flutter packages plus API for adding custom Flutter packages.

packages/flet/CHANGELOG.md

@@ -1,6 +1,9 @@
 # 0.20.0
 
-* `Page.design` property to force Material, Cupertino or Adaptive design language on entire app ([#2607](https://github.com/flet-dev/flet/issues/2607)).
+* `AppBar.system_overlay_style` property ([#2615](https://github.com/flet-dev/flet/issues/2615)).
+* New `CupertinoButton` props: `filled`, `style.bgcolor`, `style.padding`, `text`, `icon`, `icon_color`.
+* Added `NavigationBar.border` property which is used in adaptive mode only.
+* `Page.design` and `Pagelet.design` properties to force Material, Cupertino or Adaptive design language on entire app ([#2607](https://github.com/flet-dev/flet/issues/2607)).
 * `Page.media` property with the data about obstructed spaces on the device ([#2613](https://github.com/flet-dev/flet/issues/2613)).
 * Adaptive buttons ([#2591](https://github.com/flet-dev/flet/issues/2591)).
 * `--include-packages` option and support for `pubspec.yaml` for custom Flutter packages plus API for adding custom Flutter packages.