New month, new release, with some actual new features. New patches, zip file.
Release notes
5.27.0 (2017-06-22)
Bug fixes
Fix infinite loop in forced display update.
Properly disable the hidden textarea when readOnly is "nocursor".
Calling the Doc constructor without new works again.
sql mode: Handle nested comments.
javascript mode: Improve support for TypeScript syntax.
markdown mode: Fix bug where markup was ignored on indented paragraph lines.
vim bindings: Referencing invalid registers no longer causes an uncaught exception.
rust mode: Add the correct MIME type.
matchbrackets addon: Document options.
New features
Mouse button clicks can now be bound in keymaps by using names like "LeftClick" or "Ctrl-Alt-MiddleTripleClick". When bound to a function, that function will be passed the position of the click as second argument.
The behavior of mouse selection and dragging can now be customized with the configureMouse option.
Modes can now look ahead across line boundaries with the StringStream.lookahead method.
Introduces a "type" token type, makes modes that recognize types output it, and add styling for it to the themes.
New pasteLinesPerSelection option to control the behavior of pasting multiple lines into multiple selections.
searchcursor addon: Support multi-line regular expression matches, and normalize strings when matching.