I use Sublime as a scratchpad and never save anything, so this is an important feature for me. It's worked flawlessly for years.

I've tried Zed several times like this and it continues to lose data.

> Software update deletes this memory.

While there was a bug where the session was lost when updating, this was fixed years ago.

> Software update deletes this memory.

Are you sure? I believe Sublime preserves all your unsaved tabs even on update.