---
summary: Why don't we validate the JSON that clients submit for core event types like m.room.join_rules
---
created: 2016-07-03 09:42:05.0
creator: neb
description: |-
  Submitted by @matthew:matrix.org
  Especially in initial_state?
id: '12735'
key: SYN-720
number: '720'
priority: '3'
project: '10000'
reporter: neb
status: '10100'
type: '1'
updated: 2016-11-07 18:29:41.0
votes: '0'
watches: '2'
workflowId: '12835'
---
actions:
- author: richvdh
  body: 'Migrated to github: https://github.com/matrix-org/synapse/issues/1391'
  created: 2016-11-07 18:29:41.0
  id: '13881'
  issue: '12735'
  type: comment
  updateauthor: richvdh
  updated: 2016-11-07 18:29:41.0