I've had issues with kate loosing unsaved files, as well as lagging on large files due to the automatic text wrapping I've replaced unsaved files in Kate with

I've had issues with kate loosing unsaved files, as well as lagging on large files due to the automatic text wrapping I've replaced unsaved files in Kate with obsidian.md personally, as there if there is somewhere I can type, I know it will be persisted to disk.