Editora 0.9.10. Archived, so links from that release keep working. Read the 0.16.0 page →
Switcher (Reverse)
switcher.showReverse Open-file switcher, cycling in reverse.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Switcher (Reverse), then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.