Changelog updated

Author: lukaszsamson

CHANGELOG.md

@@ -1,7 +1,27 @@
 ### Unreleased
 
-**Deprecations**
+### v0.13.0: 8 January 2023
+
+#### Improvements
+
+- Completions now retur LSP 3.17 `labelDetails`. This allows to provide more contextual detais to completion items
+- Protocol implementations are no longer auto aliased
+- Completions requiring auto aliasing are deprioretized and visually marked
+- Optimisation of references tracing. It should make difference especially in macro heavy modules (e.g. Absinthe schemas)
+- Improvements to dependency reloading on switching branches.
+- Improved compatibility on Windows
+- Definitions provider improved handling of multiline variables [timgent](https://github.com/timgent)
+- Definitions provider now finds correct arity function [timgent](https://github.com/timgent)
+
+### Refactorings
+
+- CI pipeline now runs on Windows and Linux
+
+#### Deprecations
+
 - Minimum version of Elixir is now 1.12.3
+- `docsh` fallback for erlang documentation removed. EEP 48 is supported on OTP 23+
+- Code action prefixing unused variables with `_` has been removed due to various problems
 
 ### v0.12.0: 7 November 2022