Bump version to 4.3.0

release_notes/4.3.0.md

@@ -0,0 +1,40 @@
+# Jasmine 4.3.0 Release Notes
+
+## New Features
+
+* Added [`jasmine.spyOnGlobalErrorsAsync`](https://jasmine.github.io/api/4.3/jasmine.html#.spyOnGlobalErrorsAsync), 
+  to better support testing code that's
+  expected to produce unhandled exceptions or unhandled promise rejections
+  * Fixes [#1843](https://github.com/jasmine/jasmine/issues/1843)
+  * Fixes [#1453](https://github.com/jasmine/jasmine/issues/1453)
+
+## Documentation updates
+
+* Updated the README to reduce redundancy and update support links
+
+## Internal improvements
+
+* Split `Env` into several smaller classes 
+* Replaced uses of `var` with `const`/`let`
+* Replaced most uses of `self = this` with arrow fns
+* Removed obsolete and unused utility fns
+* Separated reporter- and runable-specific queue runner configuration
+* Added more test coverage for default spy strategies
+* Converted integration specs to `async`/`await`
+
+## Supported environments
+
+jasmine-core 4.3.0 has been tested in the following environments.
+
+| Environment       | Supported versions |
+|-------------------|--------------------|
+| Node              | 12.17+, 14, 16, 18 |
+| Safari            | 14-15              |
+| Chrome            | 103                |
+| Firefox           | 91, 102            |
+| Edge              | 103                |
+
+
+------
+
+_Release Notes generated with _[Anchorman](http://github.com/infews/anchorman)_