Editora 0.20.0. Archived, so links from that release keep working. Read the 0.24.0 page →
Rebuild Symbol Index
index.rebuild Scan the project again from scratch, for when files have changed outside the editor.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Rebuild Symbol Index, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.