# Pharo 12
- Avoid rewriting methods that are not installed #17005
https://github.com/pharo-project/pharo/pull/17005
# Virtual Machine
- Remove hostname lookup on network initialization #845
https://github.com/pharo-project/pharo-vm/pull/845
- small change in copyWithoutReturn to handle CCoerce #836
https://github.com/pharo-project/pharo-vm/pull/836
- Improvements in stack management #710
https://github.com/pharo-project/pharo-vm/pull/710
- Frame unification #602
https://github.com/pharo-project/pharo-vm/pull/602
# Features
- 1583 Allow to browse a method when selection is selector #1584
https://github.com/pharo-spec/Spec/pull/1584/files
- Add an Apply button for setting options #824
https://github.com/pharo-spec/NewTools/pull/824
- Add header title to filtering list #1591
https://github.com/pharo-spec/Spec/pull/1591
# Launcher
- Add ‘fileService’ for PharoLauncherApplication allowing ‘.image’ files to be
opened through PhLLaunchImageFromDiskCommand #696
https://github.com/pharo-project/pharo-launcher/pull/696
# Cleanup Morphic
- Unhook Settings Browser dialog: method from Morphic #17026
https://github.com/pharo-project/pharo/pull/17026
- Remove usage of Calypso browser search dialog made in Morphic #16994
https://github.com/pharo-project/pharo/pull/16994
# Cleanup Misc
- Rename some common AST nodes to remove RB prefix #17008
https://github.com/pharo-project/pharo/pull/17008