Update changelog.md

misaochan · web-flow · commit 1c9267ca0874 · 2021-09-16T19:52:24.000+10:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
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 # Wikimedia Commons for Android
 
+## v3.1.1
+- Optimized Nearby query
+- Added Sweden's property for WLM 2021
+- Added link to wiki explaining how to contribute to WLM through app
+- Fixed various bugs and crashes
+
 ## v3.1.0
 - Added Wiki Loves Monuments integration for WLM 2021
 
