Among the biggest changes coming to GNOME Builder 3.26 this fall, we can mention new keybinding and layout engines, a listbox look and feel for the project tree, porting of the Todo plugin to C, support for multiple cursors in the text editor, JSON improvements in Flatpak plugin, new Spellcheck plugin, a redesigned build panel, as well as major global search improvements. As for some noteworthy UI changes, it looks like the “new-document” button was replaced with a menu that supports different types of new documents, various of the document preferences like spaces, tab size or language were moved into a transient sidebar, the panel now features a “Open Pages” section, and both the spellcheck and color picker now use the new “transient sidebar.”