3.14.0

• New addons: trailing space highlight, XML completion (rewritten), and diff merging.
• markText and addLineWidget now take a handleMouseEvents option.
• New methods: lineAtHeight, getTokenTypeAt.
• More precise cleanness-tracking using changeGeneration and isClean.
• Many extensions to Emacs mode (prefixes, more navigation units, and more).
• New events "keyHandled" and "inputRead".
• Various improvements to Ruby, Smarty, SQL, and Vim modes.
• Full list of patches.