Unable to read history messages in encrypted group room

[Fmajor]

Steps to reproduce

Assume you are A

1. A create a new private space
2. A invite some user B into this space
3. A create a new room in this space: with default settings
   • Room name: test-history
   • Room access => space members only
   • Room seetings:
   • enable encryptiong: on
4. A say wait for B in the chat room
5. B find test-history room in the Explore rooms page
6. B join the room
7. B can not decrypt A's last message, when dev mode is on, B get **Unable to decrypt: KEYS_WITHHELD**
   • In A's Advanced settings> Dev Tools => Key Requests page
   • in AUDIT TRAIL, we can see one m.rom_key_request from B
   • in INCOMING, we can see the above request, state is UNABLE_TO_PROCESS

more info

• A and B have verified each other
• I have tested this in several different Android devices and got same results.
• In element-web, we get You can't see earlier messages.

Outcome

What did you expect?

At step 8, B can decrypt A's message: wait for B

What happened instead?

At step 8, B can not decrypt A's message, get debug message: Unable to decrypt: KEYS_WITHHELD

Your phone model

google pixel 4

Operating system version

Android 12

Application version and app store

Element:1.4.2, Matrix SDK Version:1.4.2, olm version:3.2.10

Homeserver

Synapse 1.52.0

Will you send logs?

No

[ouchadam]

thanks for the detailed reproduction steps :+1: