Issue #3956

5.13.4 was a trivial release restoring a LICENSE file.

Closes #3905

Issue #3884

Issue #3884

Closes #3899

Closes #3884

Closes #3846.

Issue #3852

Closes #3846

Closes #3840

Closes #3834

Issue #3821

It doesn't work inside of a transformed container, even for zero
transforms (which some components seem to love putting on root
elements, for whichever reason)

Closes #3238

To avoid messing up the position of the gutter when an offset
bigger than the max offset is given.

Closes #3781
Closes #3788

Closes #3753

See https://discuss.codemirror.net/t/inserting-a-boomark-immediately-before-a-textmarker/590/1

Issue #3736

We can't check for nextChange until all marks have been looked at

See https://discuss.codemirror.net/t/marktext-endstyle-appearing-multiple-times/568/5

Issue #3723

There was a typo in one of the comments (`actuall` vs `actual`).

Issue #3708

Makes sure the selection is not entirely cleared, which causs the
on-screen keyboard to get hidden.

Disabled for Firefox, where this causes other problems.

Issue #3653

Which is kind of arbitrary but seems to give less surprising
results.

Issue #3658