Two lists, both remembered between runs, both one click away and neither of them opening anything on its own.

the recent projects popup, with the path of the selected one under it

Opening one


Recent projects	File > Open Recent Projects, or `Ctrl+R`
Recent files	File > Open Recent Files, or `Ctrl+P`

Ctrl+P is what reaches for a file in VS Code. Ctrl+R is the recent projects, so the file list could not have had it, and the two are worth telling apart on the keyboard as well as in the menu.

Both keys are left alone while a code editor or the terminal has the keyboard, where the same two keys mean something else entirely.

Nothing is reopened on its own. A project is not opened at startup because it happens to be on disk, and a file is not reopened because it was open last time: the list is one key away, and starting the IDE with somebody's work already loaded is a surprise.

Inside a popup


↑ ↓ Enter	walk the list and open the one chosen, without a mouse — ImGui keyboard navigation is on
`x`	forget that one entry
Hover	the full path
Remember	how many to keep
Clear the list	empty it
`Esc`, or a click elsewhere	close

A row is its full path as far as its identity goes, not its name: two projects can be called main in two different folders, and a row identified by its name is one widget drawn twice, so the second can never be picked.

An entry whose file or folder is gone is kept and shown as **(missing)**, rather than dropped. An entry vanishing is never a mistake, and a name that does nothing when clicked is worse than one that says why.

The files list

A file is remembered however it was reached — clicked in the tree, opened from the menu, dropped onto the window — and opening it puts it back where it was, at the cursor and the pane it was left in.
The list is ordered by when a file was last looked at, not by when it was first opened, so switching back to a file moves it to the top.
A file remembered here follows a rename or a move: rename it in the tree and the entry is rewritten in place.

One limit, two lists

Both lists read and write the same max key in the same [recent] section of undoStudio.ini. There is nothing useful to configure separately about how much of two lists of the same kind to remember, and the limit is editable in the popup it governs — a limit reached by opening more than ten projects is a limit nobody could reach deliberately.

Changing it through either list trims the other on the next load.