fractal-gtk: Migrate to GtkSourceView4 (!449) · Merge requests · World / fractal · GitLab

Christopher Davis requested to merge BrainBlasted/fractal:wip/christopherdavis/sourceview4 into master Aug 11, 2019

GtkSourceView3 is no longer updated.

Also pins gspell to fix the build, until GNOME/gspell#6 (closed) is fixed.