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blog/mppn: retention won't survive upgrades and isn't to be confu...

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sed with self-destructing messages. A typo fix found it's way into this
commit too alongside leaked older encrypted messages and changelog
update.

Resolves: #269
Resolves: #250
This commit is contained in:
Aminda Suomalainen 2022-01-10 22:07:02 +02:00
parent 0207e5e2b1
commit 2fb3ae17fe
Signed by: Mikaela
SSH Key Fingerprint: SHA256:CXLULpqNBdUKB6E6fLA1b/4SzG0HvKD19PbIePU175Q
1 changed files with 14 additions and 6 deletions
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blog/_posts/2021-08-03-matrix-perfect-privacy-not.md
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@ -75,11 +75,10 @@ forever.
Matrix does support [history retention if you are advanced enough to enable it](https://brendan.abolivier.bzh/matrix-retention-policies/), Matrix does support [history retention if you are advanced enough to enable it](https://brendan.abolivier.bzh/matrix-retention-policies/),
this assumes [your homeserver explicitly enables it as it's not default](https://github.com/matrix-org/synapse/blob/ba5287f5e8be150551824493b3ad685dde00a543/docs/sample_config.yaml#L481-L484) this assumes [your homeserver explicitly enables it as it's not default](https://github.com/matrix-org/synapse/blob/ba5287f5e8be150551824493b3ad685dde00a543/docs/sample_config.yaml#L481-L484)
and as your room is hosted on every homeserver that has users in your room, and as your room is hosted on every homeserver that has users in your room,
have a single homeserver that hasn't explicitly enabled it and the room have a single homeserver that hasn't explicitly enabled it, or doesn't otherwise support it, and the room
history never goes away. (If I am wrong, [please contact me](/discuss) as history never goes away. Executing `/upgraderoom {{site.matrixLatestRoomVersion}}` or any other version [will also remove the event](https://github.com/matrix-org/synapse/issues/11279).
I have one private room where history goes away after 7 days, but another with the
same configuration (nowadays 31 days though), which I can scroll as far back In case there isn't enough confusion, retention shouldn't be confused with actual [self-destructing/disappearing messages](https://github.com/vector-im/element-meta/issues/82).
as I want.)
*Technical note: sorry about calling <s>reference<s/> homeserver implementation by the matrix.org team issue *Technical note: sorry about calling <s>reference<s/> homeserver implementation by the matrix.org team issue
as a Matrix protocol issue.* as a Matrix protocol issue.*
@ -111,7 +110,12 @@ unless it just moves the issue to a different level.</s> Which got [cancelled or
2021-08-27: I don't know how serious issue this may be for you, but any emoji/ 2021-08-27: I don't know how serious issue this may be for you, but any emoji/
[reactions made on end-to-end-encrypted messages aren't encrypted](https://github.com/matrix-org/matrix-doc/issues/2678). [reactions made on end-to-end-encrypted messages aren't encrypted](https://github.com/matrix-org/matrix-doc/issues/2678).
It's fun in [E2EE test rooms](matrix:r/megolm:matrix.org?action=join) when you cannot read the other party, but It's fun in [E2EE test rooms](matrix:r/megolm:matrix.org?action=join) when you cannot read the other party, but
regardless see their reactions on your emssages. regardless see their reactions on your messages.
2022-01-10: In E2EE features, when you are invited to E2EE rooms, you generally
cannot see the previously encrypted messages. However when those are encrypted,
viewing [message source will reveal the older messages in body and formatted_body](https://github.com/matrix-org/matrix-doc/issues/1654)
which [have been under deprecating plans since 2020-09-19, maybe in the future...](https://github.com/matrix-org/matrix-doc/pull/2781)
I think that was my biggest complaints on Matrix (or Synapse itself), that I think that was my biggest complaints on Matrix (or Synapse itself), that
don't involve other protocols and I have personally experienced. My notes don't involve other protocols and I have personally experienced. My notes
@ -159,3 +163,7 @@ or you can find me from a lot of the linked issues and there is also [issue trac
so I have strikethrouged that and changed it to "by the matrix.org team". so I have strikethrouged that and changed it to "by the matrix.org team".
* Typing this it looks like this blogpost predates the demote of Synapse, but * Typing this it looks like this blogpost predates the demote of Synapse, but
I wish to stay up-to-date with this post. I wish to stay up-to-date with this post.
* I am also noting that `m.room.retention` doesn't persist across room upgrades
and linking to the Element-meta issue on self-destructing/disappearing messages
to not be confused with retention.
* Oh and reply fallbacks leaking previously encrypted messages too.