Enhanced EPUB rendering can now be enabled on demand (#5117). In the relevant jargon this means correct margin collapsing, honoring negative margins and more properly floating images. In regular people speech, it just means paragraph margins and images will sometimes look slightly better.
The standard QWERTY keyboard now supports swiping and holding for diacritics. The basic grid of 9 surrounding keys is equivalent to swipe direction.
March mainly brought various under the hood improvements like faster blitting and better line-height handling, but also a more visible dual pages display toggle. On supported platforms, most two-finger swipes are now also configurable in the gesture manager.
mklink is a rather useful command for shuffling large directories around without requiring application support (e.g., large games from HDD to SSD or vice versa).