Here’s the link to the latest weekly build of darktable 5.1, https://www.dropbox.com/scl/fi/169lti24f3k6e0fk58oxq/darktable-5.1.0-931-gb6723b2cd1-win64.exe?rlkey=88xkci6q7fyjixyf87lski4nf&st=3zbtp7cm&dl=0. The list of latest changes is at Comparing 1f5408933c…b6723b2cd1 darktable-org/darktable · GitHub.
darktable is now in string freeze, so it is feature complete for 5.2. Please report any bugs found so that we can fix them prior to release.