Yes, hg's interactive commit allows this (and if you look at my screenshot, you ...

doubleunplussed on Oct 30, 2019 | parent | context | favorite | on: Mercurial RFC of a new extension to directly opera...

Yes, hg's interactive commit allows this (and if you look at my screenshot, you can see tortoisehg presents checkboxes next to hunks in the diff, this is the way I use it)