Editora 0.20.0. Archived, so links from that release keep working. Read the 0.24.0 page →
Git Log: Toggle All Branches
git.log.toggleAllBranches Switch the Git Log between the current branch and every branch, remote and tag.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Git Log: Toggle All Branches, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.