* Check for updates only once at launch

* Update Mode Fix

* Add Start to enum config

* Check For Updates on Startup

related to #66296

fixes #78610

Fix #78509

* grid: getViewCachedVisibleSize

fixes #78228

* wip: grid hydration first steps

* use more layout state

* grid: remember sidebar position

* layout: remove layoutGrid

* splitview: fix moveView invisible preservation

* grid: addViewAt, moveViewTo

* layout: handle sidebar position

* layout: remove unnecessary layout call

* layout: panel position

* restore strange loop

* layout: status bar and activity bar parts

* 💄

* fix missing calls to setViewVisible

* lipstick

* fix titlebar visibility

* fix editor visibility

* doc

* cleanup todos and use Parts enum

Diff: https://github.com/xtermjs/xterm.js/compare/d20068c...58e1b0d

Changes:

- Add mouse report tests
- Fix shift+click throwing
- Fix DECSTBM

Fixes #78614
Fixes #78355