FF127 Relnote - mixed content requests auto upgraded to secure

[hamishwillee]

FF127 auto upgrades insecure (HTTP) requests in secure pages to secure requests (HTTPS) for most img, video, audio in https://bugzilla.mozilla.org/show_bug.cgi?id=1779757

Note that this is done according to more-complicated spec rules - e.g. all CSP requests for this type are blocked. I haven't captured that nuance here, but will do so when I update the mixed-content page.

Related docs work in #33592

[github-actions]

Preview URLs

• /en-US/docs/Mozilla/Firefox/Experimental_features
• /en-US/docs/Mozilla/Firefox/Releases/127

Flaws (1)

Note! 1 document with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Mozilla/Firefox/Experimental_features
Title: Experimental features in Firefox
Flaw count: 1

• macros:
  • /en-US/docs/Web/CSS/path redirects to /en-US/docs/Web/CSS/basic-shape/path

External URLs (76)

URL: /en-US/docs/Mozilla/Firefox/Releases/127
Title: Firefox 127 for developers

• https://bugzil.la/1779757 (1 time) (Note! This may be a new URL 👀)

---

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

• https://bugzil.la/1057233 (1 time)
• https://bugzil.la/1099557 (1 time)
• https://bugzil.la/1178765 (1 time)
• https://bugzil.la/1190623 (1 time)
• https://bugzil.la/1223880 (1 time)
• https://bugzil.la/1245183 (2 times)
• https://bugzil.la/1280613 (1 time)
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• https://bugzil.la/1335970 (1 time)
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• https://bugzil.la/1405706 (1 time)
• https://bugzil.la/1461589 (1 time)
• https://bugzil.la/1539075 (1 time)
• https://bugzil.la/1565562 (1 time)
• https://bugzil.la/1602129 (1 time)
• https://bugzil.la/1605153 (1 time)
• https://bugzil.la/1605154 (1 time)
• https://bugzil.la/1607954 (1 time)
• https://bugzil.la/1617609 (1 time)
• https://bugzil.la/1620055 (1 time)
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• https://bugzil.la/1673987 (1 time)
• https://bugzil.la/1676791 (1 time)
• https://bugzil.la/1687364 (1 time)
• https://bugzil.la/1697647 (1 time)
• https://bugzil.la/1703961 (1 time)
• https://bugzil.la/1715546 (1 time)
• https://bugzil.la/1729291 (1 time)
• https://bugzil.la/1731541 (1 time)
• https://bugzil.la/1736914 (1 time)
• https://bugzil.la/1737918 (1 time)
• https://bugzil.la/1737920 (1 time)
• https://bugzil.la/1740530 (1 time)
• https://bugzil.la/1750902 (1 time)
• https://bugzil.la/1754897 (1 time)
• https://bugzil.la/1791759 (1 time)
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• https://bugzil.la/1823463 (1 time)
• https://bugzil.la/1840480 (1 time)
• https://bugzil.la/1842773 (2 times)
• https://bugzil.la/1855763 (3 times)
• https://bugzil.la/1859852 (1 time)
• https://bugzil.la/1867058 (1 time)
• https://bugzil.la/1874445 (1 time)
• https://bugzil.la/1882408 (1 time)
• https://bugzil.la/1883896 (1 time)
• https://bugzil.la/1884424 (1 time)
• https://bugzil.la/1884425 (1 time)
• https://bugzil.la/1889133 (1 time)
• https://bugzil.la/390936 (1 time)
• https://bugzil.la/502258 (1 time)
• https://bugzil.la/558594 (1 time)
• https://bugzil.la/778617 (1 time)
• https://bugzil.la/917755 (1 time)
• https://bugzil.la/918189 (1 time)
• https://bugzil.la/934425 (1 time)
• https://docs.microsoft.com/en-us/typography/opentype/spec/ (1 time)
• https://drafts.csswg.org/css-inline/ (1 time)
• https://en.wikipedia.org/wiki/Graphics_Processing_Unit (1 time)
• https://firefox-source-docs.mozilla.org/devtools-user/page_inspector/how_to/examine_and_edit_css/index.html (1 time)
• replace current outline algorithm with one based on heading levels whatwg/html#7829 (1 time)
• https://jpeg.org/jpegxl/ (1 time)
• https://support.mozilla.org/en-US/kb/about-config-editor-firefox (1 time)
• https://www.mozilla.org/en-US/firefox/channel/desktop/ (2 times)
• https://www.mozilla.org/en-US/firefox/developer/ (2 times)

[bsmth]

The doc files/en-us/web/security/mixed_content/index.md contains a link to a section in files/en-us/mozilla/firefox/experimental_features/index.md that we've removed.

[bsmth]

LGTM! There's one follow-up to take care of in files/en-us/web/security/mixed_content/index.md not touched in this PR. I'm going to merge this one shortly to make the nightly build 👍🏻

Thank you!