diff --git a/Changelog b/Changelog
index acd51aef4..d05de7424 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,46 @@
+0.25.1          (2018-02-22):
+* Enhancements: build compatibility with MacOS, Qt 5.9.
+      Qt 4.6+4.7 supported as well with restrictions:
+      the package installation feature is not working.
+* Bugfix: Package manager 
+       - Remove button wasn't enabled if multiple packages were selected
+       - A potential crash ob removing packages was fixed
+* Enhancement: 64 bit coordinate support enabled on Windows builds
+* Further bugfixes: See links
+       - https://github.com/klayoutmatthias/klayout/issues/21 (Autorun(-early) doesn't seem to run when lym files are inside a package)
+       - https://github.com/klayoutmatthias/klayout/issues/24 (Text insert dialog possible)
+       - https://github.com/klayoutmatthias/klayout/issues/26 (Exceptions are reported every time they propagate up in the call chain in the ruby debugger)
+       - https://github.com/klayoutmatthias/klayout/issues/28 (CIF format detection failed)
+       - https://github.com/klayoutmatthias/klayout/issues/30 (Writer options dialog non-functional on a fresh configuration)
+       - https://github.com/klayoutmatthias/klayout/issues/32 (rounding issue with instance properties)
+       - https://github.com/klayoutmatthias/klayout/issues/33 (Plugin factory not working when using with Python)
+       - https://github.com/klayoutmatthias/klayout/issues/36 (hardening against destruction of object inside event handler)
+       - https://github.com/klayoutmatthias/klayout/issues/39 (Action cannot be reassigned)
+       - https://github.com/klayoutmatthias/klayout/issues/40 (Crash in Python binding)
+       - https://github.com/klayoutmatthias/klayout/issues/41 (Polygon#touches? issue)
+       - https://github.com/klayoutmatthias/klayout/issues/42 (headless mode support with Qt5/-zz)
+       - https://github.com/klayoutmatthias/klayout/issues/43 (crash when using Qt specific command line options)
+       - https://github.com/klayoutmatthias/klayout/issues/44 (Transformation constructor with x,y not working)
+       - https://github.com/klayoutmatthias/klayout/issues/45 (Partial selection does not capture instance)
+       - https://github.com/klayoutmatthias/klayout/issues/48 (Cancel does not reset current tool)
+       - https://github.com/klayoutmatthias/klayout/issues/51 (Segmentation fault on return to main window and other opportunities)
+       - https://github.com/klayoutmatthias/klayout/issues/53 (unreadable 'about' text)
+       - https://github.com/klayoutmatthias/klayout/issues/59 (async download of package index and details)
+       - https://github.com/klayoutmatthias/klayout/issues/62 (QXmlSimpleReader#parse cannot be called)
+       - https://github.com/klayoutmatthias/klayout/issues/63 (wrong output on DRC non_interacting with empty second input)
+       - https://github.com/klayoutmatthias/klayout/issues/64 (crash on exit)
+       - https://github.com/klayoutmatthias/klayout/issues/68 (OASIS reader issue with degenerated shapes)
+       - https://github.com/klayoutmatthias/klayout/issues/69 (DRC: 'inside' does not merge shapes of second input)
+       - https://github.com/klayoutmatthias/klayout/issues/71 (target cell argument is required)
+       - https://github.com/klayoutmatthias/klayout/issues/72 (Edges/Region NOT issue)
+       - https://github.com/klayoutmatthias/klayout/issues/73 (allow 'change layers' on PCells which support a single layer parameter)
+       - https://github.com/klayoutmatthias/klayout/issues/74 (small-corner boolean issue)
+       - https://github.com/klayoutmatthias/klayout/issues/75 (Python PCell issue when parameters are called 'layer')
+* Further enhancements: see links
+       - https://github.com/klayoutmatthias/klayout/issues/29 (permissive mode for OASIS writer on odd-width paths)
+       - https://github.com/klayoutmatthias/klayout/issues/66 (Authentication dialog indicates retry)
+       - https://github.com/klayoutmatthias/klayout/issues/77 (copy_tree works in non-editable mode too)
+
 0.25            (2017-11-04):
 * Enhancement: Menu customization
       Menu items can be disabled or enabled now. The former