<a-u> and <a-U> now undo/redo selection changes; the previous meaning of moving in history tree has been moved to <c-j> and <c-k>

%exp{...} expansions provide flexible quoting for expanded strings (as double quoted strings)

<c-g> cancels the current operation and goes back to the main event loop, this provides an escape hatch when Kakoune seems to hang due to a costly operation

show-matching -previous highlighter will fall back onto the character preceeding the cursor