4.12.0

• The closetag addon now defines a "closeTag" command.
• Adds a findModeByFileName to the mode metadata addon.
• Simple mode rules can now contain a sol property to only match at the start of a line.
• New addon: selection-pointer to style the mouse cursor over the selection.
• Improvements to the Sass mode's indentation.
• The Vim keymap's search functionality now supports scrollbar annotation.
• Full list of patches.