MSC4126: Deprecation of query string auth

[turt2live]

Rendered

In line with https://github.com/matrix-org/matrix-spec/issues/1700, the following disclosure applies:

I am Director of Standards Development at The Matrix.org Foundation C.I.C., Matrix Spec Core Team (SCT) member, employed by Element, and operate the t2bot.io service. This proposal is written and published with my role as a member of the SCT.

Fixes https://github.com/matrix-org/matrix-spec/issues/1780

FCP tickyboxes

[tulir]

Looks good, I see no reason to delay this

@mscbot fcp merge

[mscbot]

Team member @tulir has proposed to merge this. The next step is review by the rest of the tagged people:

• [x] @clokep
• [x] @dbkr
• [x] @uhoreg
• [x] @turt2live
• [ ] @ara4n
• [x] @anoadragon453
• [x] @richvdh
• [x] @tulir
• [x] @erikjohnston
• [x] @KitsuneRal

Once at least 75% of reviewers approve (and there are no outstanding concerns), this will enter its final comment period. If you spot a major issue that hasn't been raised at any point in this process, please speak up!

See this document for information about what commands tagged team members can give me.

[mscbot]

:bell: This is now entering its final comment period, as per the review above. :bell:

[mscbot]

The final comment period, with a disposition to merge, as per the review above, is now complete.

[richvdh]

Spec PR: https://github.com/matrix-org/matrix-spec/pull/1808

[richvdh]

Merged to the spec! :tada: