MSC4311: Use full PDU's in stripped state (like `invite_room_state`) over federation and always include `m.room.create` event - #19723

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MadLittleMods wants to merge 57 commits into

madlittlemods/remove-flawed-msc4311-partial-implementation

Commits on Apr 23, 2026

Client side API's should still use stripped events with MSC4311
MadLittleMods
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bdfeb90
Add changelog
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43a11f5

Commits on May 1, 2026

Merge branch 'develop' into madlittlemods/remove-flawed-msc4311-partial-implementation
MadLittleMods
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7f25120

Commits on May 2, 2026

Non-working: Use full PDU's for `invite_room_state` in federation
MadLittleMods
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6026aaa
Iteration that uses current state
MadLittleMods
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e0eb224
Use `get_stripped_room_state_ids_from_event_context`
MadLittleMods
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3464ec8

Commits on May 4, 2026

Commits on May 21, 2026

Merge branch 'develop' into madlittlemods/remove-flawed-msc4311-partial-implementation
MadLittleMods
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cce5dc7
Make the TODO more obvious
MadLittleMods
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7e379e7
Placeholder arg docstring
MadLittleMods
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92d0d8b

Commits on May 22, 2026

Better logic/reasoning
MadLittleMods
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76b4905
Better comment flow
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5103f1b
Use `FIXME(MSC4311)` prefix
MadLittleMods
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5c1f4ca
Mark down create event after we verify it's valid
MadLittleMods
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374c4c5
Small comment to explain (we also explain above)
MadLittleMods
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ffe5c4b
Better `invite_room_state` scrutiny
MadLittleMods
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2b900b4
Fix `events` typo
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5e12cb8
Event ID context
MadLittleMods
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ff533df
Simplify logic to just use `hs.config.api.room_prejoin_state` instead of deriving from `invite_room_state`
MadLittleMods
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de78d9e

Commits on May 23, 2026

`_parse_stripped_room_state`
MadLittleMods
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4598a43
`_minimal_parse_stripped_room_state`
MadLittleMods
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fbff685
Strip the knock itself we add down `/sync`
MadLittleMods
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75a53ef

Commits on May 26, 2026

Commits on May 27, 2026

Commits on Jul 9, 2026

Merge branch 'develop' into madlittlemods/remove-flawed-msc4311-partial-implementation
MadLittleMods
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4e7f3fc
Refactor to include `inviter_user_id` as part of stripped state
MadLittleMods
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bf9ab2f
Just pass in the event
MadLittleMods
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c54c93b
Remove `_calculate_stripped_state_filter`
MadLittleMods
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17a4ef6
Update date that Synapse is compliant
MadLittleMods
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1cf8282
Cross-link #19943
MadLittleMods
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ce17c93
Fix `compatibility` typo
MadLittleMods
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5cc8753
Use correct `knock_room_state` reference from response
MadLittleMods
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53a68d7
Use full PDU's for v1 of federation invite API
MadLittleMods
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7488a24

Commits on Jul 10, 2026

Fix typo causing extra nesting
MadLittleMods
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3870034
Kick CI after deleting sytest branch with same name
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40d1316
Fix arg ordering typo with `SynapseError`
MadLittleMods
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3fc94ba

Commits on Jul 22, 2026

Cross-link MSC4319
MadLittleMods
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26bf739

Commits on Jul 28, 2026

Move parse/serialize as methods of `StrippedStateEvent`
MadLittleMods
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2822f3c
Rename `parse` to `from_json_dict`
MadLittleMods
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3ce6900
Rename `serialize` to `as_json_dict`
MadLittleMods
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19d8a7a
Fix `builtins.TypeError: unsupported operand type(s) for |: 'str' and 'NoneType'`
MadLittleMods
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ecab104
MSC4319 is now merged
MadLittleMods
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eed3071
Merge branch 'develop' into madlittlemods/remove-flawed-msc4311-partial-implementation
MadLittleMods
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f751b5f

Commits on Jul 29, 2026

Commits on Aug 3, 2026