Prepare 0.8.6 release notes

Author: avh4

CHANGELOG.md

@@ -1,3 +1,18 @@
+## 0.8.6
+
+New features:
+  - File are now processed in parallel
+
+Bug fixes:
+  - `module exposing` listings containing comments no longer add extra leading spaces
+
+Other changes:
+  - Native binaries are now provided for MacOS ARM64 (previous version required Rosetta)
+  - Native (statically-linked) binaries are now provided for Linux ARM64 (aarch64)
+  - The npm installer now has zero dependencies
+  - Performance optimization, making use of Elm 0.19's parser, thanks to @emmabastas's contributions via Google Summer of Code
+
+
 ## 0.8.5
 
 Feature changes:

Release Notes/0.8.6.md

@@ -0,0 +1,34 @@
+## Much, much faster; Many, many contributors
+
+New features:
+  - File are now processed in parallel
+
+Bug fixes:
+  - `module exposing` listings containing comments no longer add extra leading spaces
+
+Other changes:
+  - Native binaries are now provided for MacOS ARM64 (previous version required Rosetta)
+  - Native (statically-linked) binaries are now provided for Linux ARM64 (aarch64)
+  - The npm installer now has zero dependencies
+  - Performance optimization, making use of Elm 0.19's parser, thanks to @emmabastas's contributions via Google Summer of Code
+
+
+## Install
+
+```sh
+npm install -g elm-format
+```
+
+or [download from the release page](https://github.com/avh4/elm-format/releases/tag/0.8.6).
+
+
+## Thanks to ...
+
+  - @emmabastas for refactoring the parser internals to integrate Elm 0.19's compiler's parser
+  - @lydell for processing files in parallel
+  - @lydell for the new dependency-free npm installer script
+  - @mdevlamynck for the `exposing` listings bug fix
+  - @tfausak for linux-aarch64 build script updates
+  - @supermario for mac-arm64 build script updates
+  - [Lamdera](https://www.lamdera.com/) for providing CI runners to build the MacOS ARM64 release binaries
+  - Elm community members for testing the new binaries