Bump version to 0.5.3, update CHANGELOG.md

CHANGELOG.md

@@ -1,3 +1,20 @@
+# 0.5.3 (28 November 2020)
+
+A bugfix release that fixes `Toggle` values not updated when reset from a binding. Additionally, the
+embedded internal implementation of `JSScheduler` is replaced with one from
+[`OpenCombineJS`](https://github.com/swiftwasm/OpenCombineJS). This library is a new dependency of
+Tokamak used in the DOM renderer.
+
+**Closed issues:**
+
+- `Toggle` value not updated when it's reset from a binding ([#287](https://github.com/TokamakUI/Tokamak/issues/287))
+
+**Merged pull requests:**
+
+- Fix update of `checked` property of checkbox input ([#309](https://github.com/TokamakUI/Tokamak/pull/309)) via [@MaxDesiatov](https://github.com/MaxDesiatov)
+- Use latest macOS and Xcode on CI ([#308](https://github.com/TokamakUI/Tokamak/pull/308)) via [@MaxDesiatov](https://github.com/MaxDesiatov)
+- Use `JSScheduler` from `OpenCombineJS` package ([#304](https://github.com/TokamakUI/Tokamak/pull/304)) via [@MaxDesiatov](https://github.com/MaxDesiatov)
+
 # 0.5.2 (12 November 2020)
 
 This is a bugfix release that fixes in-tree updates in cases where type of a view changes with