Drawpile development update for the last two weeks: https://docs.drawpile.net/devblog/2025/12/21/dev-update.html
Topics are a rework of the settings interface speeding up build times by a whole 10% and progress on autosaving. Or really, autorecording, with every brush stroke saved immediately and possibilites for timelapses, tracking time spent actively drawing and a few different kinds of time-travel.