relnote(120): [Nightly] Prefixed CSS transform & transition properties

[bsmth]

This PR clarifies the status of the vendor-prefixed transform and transition properties.

• For all changes, this is Nightly-only
• Move -moz-transform* relnote to experimental features page under zoom
• Set prefixed CSS transform props as still supported
• Add experimental features relnote for CSS transition props

Related issues and pull requests:

• Parent issue [CSS][Nightly only] Disable -moz-transform* and -moz-transition* properties #29785
• Initial PR: relnote(120): removal of -moz-transform props #29911
• Follow-up: relnote(120): nightly disables CSS -moz-prefixed transform properties, enables CSS zoom property #29815
• BCD: (zoom) relnote(120): Fx nightly enables CSS zoom property by default browser-compat-data#21122

[github-actions]

Preview URLs

• /en-US/docs/Mozilla/Firefox/Experimental_features
• /en-US/docs/Mozilla/Firefox/Releases/120
• /en-US/docs/Web/CSS/Mozilla_Extensions

Flaws (36)

Note! 2 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/CSS/Mozilla_Extensions
Title: Mozilla vendor-prefixed CSS extensions
Flaw count: 36

• macros:
  • /en-US/docs/Web/CSS/overflow-clip-box does not exist
  • /en-US/docs/Web/CSS/overflow-clip-box-block does not exist
  • /en-US/docs/Web/CSS/overflow-clip-box-inline does not exist
  • /en-US/docs/Web/CSS/::-moz-anonymous-block does not exist
  • /en-US/docs/Web/CSS/::-moz-anonymous-positioned-block does not exist
  • and 31 more flaws omitted

External URLs (12)

URL: /en-US/docs/Mozilla/Firefox/Releases/120
Title: Firefox 120 for developers

• https://bugzil.la/1557650 (1 time)
• https://bugzil.la/1791079 (1 time)
• https://bugzil.la/1810851 (1 time)
• https://bugzil.la/1836128 (1 time)
• https://bugzil.la/1844450 (1 time)
• https://bugzil.la/1856029 (1 time)
• https://bugzil.la/1858712 (1 time)
• https://bugzil.la/449921 (1 time)
• https://globalprivacycontrol.org/ (1 time)
• https://wiki.mozilla.org/RapidRelease/Calendar (1 time)
• https://www.mozilla.org/en-US/firefox/channel/desktop/ (1 time)

---

URL: /en-US/docs/Mozilla/Firefox/Experimental_features
Title: Experimental features in Firefox

• https://bugzil.la/1855763 (3 times) (Note! This may be a new URL 👀)