diff --git a/Mac.md b/Mac.md
index abfc47e..80461e2 100644
--- a/Mac.md
+++ b/Mac.md
@@ -1,6 +1,21 @@
-## Mac M1 arm64 Wekan development
+
-Instructions added 2021-05-15.
+
+
+## ChangeLog
+- Previously:
+ - Below info about Wekan on Mac x64
+ - [Wekan PWA on iOS Safari](https://github.com/wekan/wekan/wiki/PWA)
+ - Many mobile web fixes
+- 2021-05-14 Wekan maintainer [xet7](https://github.com/xet7) got donated hardware [OpenSource MacStadium](https://www.macstadium.com/opensource) access to Mac Mini M1 that has 16 GB RAM and 1 TB SSD.
+- 2021-05-15 xet7 bought Apple Developer access for 99 euro/year. Trying to figure out how to sign some test app for iPhone, did not get it working yet.
+- 2021-05-16 Instructions added below by xet7 about how to run Wekan Server Node.js/MongoDB for development on M1.
+- TODO:
+ - Trying to find out some way how to make macOS App Store and iOS iPhone/iPad App Store versions of Wekan.
+ - [Enable drag handles on iPad landscape mode automatically](https://github.com/wekan/wekan/issues/3755).
+
+
+## Mac M1 Wekan development
1) Install rosetta:
```