CreateRoom not respecting 'users' power_level_content_override

[NiallBunting]

Description

I'm sending the following request:

  matrix_r = requests.post(
    MATRIX_BASE_URL + '/_matrix/client/v3/createRoom',
    json = {
      "invite": ['@<user1>:<host>', '@<user2>:<host>'],
      "name": 'room name',
      "room_alias_name": "alias",
      "creation_content": {"type": "m.space"},
      "visibility": 'private',
      "power_level_content_override:": {
        'events_default': 100,
        'events': {'m.room.join_rules': 80, 'm.room.name': 70, 'm.room.topic': 70, 'm.room.avatar': 70, 'm.room.pinned_events': 70},
        'ban': 60,
        'users': {'@<user1>:<host>': 100, '@<user2>:<host>': 90},
        "users_default": 0
      },
    },
    headers={'Authorization': 'Bearer ' + MATRIX_APP_KEY}
  )

Synapse is ignoring user2 in the users list and only setting permissions for user1 (the creator). When the user joins the room they have a power level of 0 rather than 90. This seems to be against the spec as it says: 'Overridden by the power_level_content_override parameter.'

Steps to reproduce

• send the request above

Homeserver

another

Synapse Version

1.96.1

Installation Method

pip (from PyPI)

Database

PostgreSQL

Workers

Single process

Platform

Ubuntu

Configuration

No response

Relevant log output

N/A

Anything else that would be useful to know?

No response