* Revert "v5.1.18 banner artwork"
This reverts commit 70500140b9.
* Revert "Revert #3607 and #3608"
This reverts commit 87b3e470c2.
* Revert "Fix default global keyboard shortcuts for Mac"
This reverts commit e466f62e7e.
* Revert "Comment plugin: Improve styles"
This reverts commit e17456e3bc.
* Revert "Style tweaks for framed editor + preview (#3608)"
This reverts commit c058378da0.
* Revert "Change to natural counting in range[N] operator (#3609)"
This reverts commit b9df224f99.
* Revert "Update release note contributors list"
This reverts commit 0f3912ba95.
* Revert "Make editor-preview not hide text-editor shadow (#3607)"
This reverts commit 11f02dc362.
* Revert "Editor needs to stand out a bit more (#3606)"
This reverts commit d711ef25ed.
* Revert "Tweak for keyboard-shortcuts how-to (#3605)"
This reverts commit 419ea9a243.
* Revert "Remove unnecessary border-radius already set on the iframe (#3604)"
This reverts commit 288d25e733.