In various places we are using these deprecated classes. Let's stop doing this immediately by moving to use mw-ui-progressive to stop further confusion.
See
* https://github.com/search?q=org%3Awikimedia+mw-ui-primary&type=Code
* https://github.com/search?q=org%3Awikimedia+mw-ui-constructive&type=Code
Core
[] In documentation (wikimedia/mediawiki – forms.less and inputs.less)
[] EditPage uses mw-ui-constructive
= Skins
== Using mw-ui-primary
[] Timeless
[] Tempo skins
= Extensions
== Using mw-ui-constructive and mw-ui-primary
[x] Translate - https://gerrit.wikimedia.org/r/313227
[] CentralAuth - https://gerrit.wikimedia.org/r/313312
== Using mw-ui-primary
[] Petitions
[] UploadWizard T146936
[] OAuth - https://gerrit.wikimedia.org/r/313313
== Using mw-ui-constructive
[] Popups
[] TwnMainPage
[] MobileFrontend https://gerrit.wikimedia.org/r/313228
[] Flow
[] Timeless
[] Thanks
[] ContentTranslation
[] UniversalLanguageSelector
[] WikiLove
[] GuidedTour