# 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