doc: update changelog

CHANGELOG.md

@@ -1,3 +1,8 @@
+# v2.9.0.alpha
+
+* Fixed map rendering for AMD GPUs.
+* Added "Go to Coords" functionality. Use "Ctrl+G" ("Cmd+G" for macOS) or "Edit->Go to Coords". @mc-oofert
+
 # v2.8.1.alpha
 
 Fixed crash in the recent "Move Tool".

README.md

@@ -78,9 +78,7 @@ StrongDMM developed without any monetization in mind. The main motivation is an
 Your support can show your gratefulness and will motivate the project further development.
 
 Also, if you want something specific to be implemented in the editor, it's possible to focus on your needs.\
-Feel free to reach me out with my public contacts to discuss details:
-* [E-Mail](mailto:[email protected])
-* [Discord](https://discordapp.com/users/153940096389742592)
+Feel free to reach me out with my public contacts to discuss details: [E-Mail](mailto:[email protected])
 
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