This is new:
- Fix several race conditions in show-hint's asynchronous mode
- Fix backspace binding in Sublime bindings
- Change the way IME is handled in the "textarea" input style
- New modes: MUMPS, Handlebars
- Rewritten modes: Django, Z80
- New theme: Liquibyte
- New option: lineWiseCopyCut
- The Vim mode now supports buffer-local options and the filetype setting
You can get the zip from
http://codemirror.net/codemirror-5.2.zip
All new patches are listed at
https://github.com/codemirror/CodeMirror/compare/5.1.0...5.2.0
Best,
Marijn