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MSC4385: Allowing <code>m.secret.send</code> without a prior <code>m.secret.request</code>

client-serverClient-Server APIClient-Server API

e2e

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

proposal-in-review

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4385

#4385 In matrix-org/matrix-spec-proposals;

· uhoreg opened on Dec 3, 2025

MSC4384: Supporting alternative room directory sorting

client-serverClient-Server APIClient-Server API

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

safety

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4384

#4384 In matrix-org/matrix-spec-proposals;

· turt2live opened on Nov 26, 2025

MSC4383: Client-Server Discovery of Server Version

client-serverClient-Server APIClient-Server API

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4383

#4383 In matrix-org/matrix-spec-proposals;

· jevolk opened on Nov 21, 2025

MSC4382: Peppered hash verification for E2EE content moderation

client-serverClient-Server APIClient-Server API

e2e

kind:featureMSC for not-core and not-maintenance stuffMSC for not-core and not-maintenance stuff

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

safety

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4382

#4382 In matrix-org/matrix-spec-proposals;

· seuros opened on Nov 20, 2025

MSC4381: Remove plaintext sender key

00-weekly-pingsTracking for weekly pings in the SCT office. 00 to make it first in the labels list.Tracking for weekly pings in the SCT office. 00 to make it first in the labels list.

disposition-merge

e2e

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

proposalA matrix spec change proposalA matrix spec change proposal

proposed-final-comment-periodCurrently awaiting signoff of a majority of team members in order to enter the final comment period.Currently awaiting signoff of a majority of team members in order to enter the final comment period.

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4381

#4381 In matrix-org/matrix-spec-proposals;

· tulir opened on Nov 20, 2025

MSC4380: Invite blocking

00-weekly-pingsTracking for weekly pings in the SCT office. 00 to make it first in the labels list.Tracking for weekly pings in the SCT office. 00 to make it first in the labels list.

client-serverClient-Server APIClient-Server API

disposition-merge

kind:coreMSC which is critical to the protocol's successMSC which is critical to the protocol's success

proposalA matrix spec change proposalA matrix spec change proposal

proposed-final-comment-periodCurrently awaiting signoff of a majority of team members in order to enter the final comment period.Currently awaiting signoff of a majority of team members in order to enter the final comment period.

safety

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4380

#4380 In matrix-org/matrix-spec-proposals;

· richvdh opened on Nov 18, 2025

MSC4377: Clarify Image Pack Ordering

client-serverClient-Server APIClient-Server API

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4377

#4377 In matrix-org/matrix-spec-proposals;

· Enovale opened on Nov 3, 2025

MSC4376: Remove /v1/send_join

hacktoberfest-accepted

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

proposalA matrix spec change proposalA matrix spec change proposal

s2sServer-to-Server API (federation)Server-to-Server API (federation)

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4376

#4376 In matrix-org/matrix-spec-proposals;

· Johennes opened on Oct 31, 2025

[WIP] MSC4375: Admin Room Management

client-serverClient-Server APIClient-Server API

hacktoberfest-accepted

kind:featureMSC for not-core and not-maintenance stuffMSC for not-core and not-maintenance stuff

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

safety

Status: Draft (not ready).

matrix-org/matrix-spec-proposalsnumber 4375

#4375 In matrix-org/matrix-spec-proposals;

· nexy7574 opened on Oct 29, 2025

MSC4373: Server opt-out of specific EDU types

hacktoberfest-accepted

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

s2sServer-to-Server API (federation)Server-to-Server API (federation)

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4373

#4373 In matrix-org/matrix-spec-proposals;

· velikopter opened on Oct 22, 2025

MSC4371: On the elimination of federation transactions.

hacktoberfest-accepted

kind:maintenanceMSC which clarifies/updates existing specMSC which clarifies/updates existing spec

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

s2sServer-to-Server API (federation)Server-to-Server API (federation)

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4371

#4371 In matrix-org/matrix-spec-proposals;

· jevolk opened on Oct 21, 2025

MSC4370: Federation endpoint for retrieving current extremities

hacktoberfest-accepted

kind:featureMSC for not-core and not-maintenance stuffMSC for not-core and not-maintenance stuff

needs-implementationThis MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.This MSC does not have a qualifying implementation for the SCT to review. The MSC cannot enter FCP.

proposalA matrix spec change proposalA matrix spec change proposal

s2sServer-to-Server API (federation)Server-to-Server API (federation)

Status: Open (in progress).

matrix-org/matrix-spec-proposalsnumber 4370

#4370 In matrix-org/matrix-spec-proposals;

· turt2live opened on Oct 17, 2025