Editor for properties files like built-in editors (highlighting, navigation, refactoring, find usages, intentions, properties files specific features, bundle editing mode etc.)
Externalize string action (CtrlShiftE works java files too based on caret position and don't handles selection of multiple objects correctly)
Externalize string dialog improvements(remember last used template, check before proceed, keys duplication highlighting)
Initial(on startup) parse speed improvement
Large files editing speed improvement
Major improvements and reported bugs fixes
For all speed improvements great THANKS to YourKit Java Profiler and its creators. After first evaluation couple of
month ago huge memory leaks was fixed, now second evaluation was used to improve speed.