4.4-RC1

Enhancements:

• Converts the upgrade notice into a welcome notice for first-time users. #221

Bugfixes:

• Fixes a bug where the button style would be broken in the Classic Editor. #223
• Fixes a bug where a fatal error would be triggered in the Widgets page in combination with some themes or plugins. #219
• Fixes a bug where HTML tags in a Custom HTML block would be removed when republishing a scheduled Rewrite & Republish copy. #218

Non user facing:

• Composer 2.2 compatibility #224
• Code consistency #217
• Updated dependency #216