Make a double click on the first column of the password manager's table send the password. Issue 4639.

Fix a leak of the layer mask in the stars impl of the find cursor view. Fix a bug where it wasn't masked properly except for fullscreen windows.

add an option to allow for configuring the mouse whell to send escape sequences on scroll in alternate screen mode

clean up, structure code better

pointer spacing

Clean up and simplify code.

Warn about incompatible software at startup. Add a menu item to warn about it. The startup warning is only shown on the first launch that's more than 24 hours after the initial launch of this (or newer) versions.

Support an optional ;shell=shellname in the ShellIntegrationVersion escape code so individual shells can get their version numbers bumped without affecting everyone.

Give a quarter second grace period after a session resizes to allow changes without showing the activity indicator

Fix compatibility with AquaSKK. See pull requset 279 for all the gory details. This commit (and the commits leading up to it) were based on that PR but cleaned up a little and it also adds an experimental flag to guard the change.

Rename the local variable prev in -keyDown to _hadMarkedTextBeforeHandlingKeypressEvent in preparation for the aquaskk compatibility merge.

Rename _inputMethodIsInserting to _keyPressHandled to more accurately reflect reality and simplify an upcoming merge of AquaSKK fixes

fullscreen, and various other bugs where changing the style or visibility of vertical scrollers
would leave the TextViewWrapper's width incorrect because [SessionView resizeSubviewsWithOldSize:]
doesn't get called on changes to the scrollbar. Issue 4624.