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Clarify that dont_notify and coalesce MUST be gracefully ignored #1890

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merged 5 commits into from
Jul 10, 2024

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Johennes
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@Johennes Johennes commented Jun 25, 2024

Relates to: https://github.com/matrix-org/matrix-spec/pull/1501/files#r1176822971.

I replaced the info box with a subsection akin to the one for historical user IDs to prevent using RFC2119 keywords inside an explanatory box.

I also attempted to be a little more verbose about what ignoring means by describing the filtering behavior implemented in Synapse.

CC @clokep

Pull Request Checklist

Preview: https://pr1890--matrix-spec-previews.netlify.app

Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
@Johennes Johennes marked this pull request as ready for review June 25, 2024 13:06
@Johennes Johennes requested a review from a team as a code owner June 25, 2024 13:06
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clokep commented Jun 25, 2024

I did check the original MSC and that uses (lowercase) "should" and "recommended", but I really think it is a requirement for backwards compatibility.

`coalesce` actions. Homeservers MUST ignore these actions by stripping them
from any actions array they encounter. This means that setting the actions
on a rule to e.g. `["dont_notify"]` MUST be equivalent to setting an empty
actions array.
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Not that I'm keen on making this more complicated but I'm now wondering if this clause should apply to clients as well since they might receive default push rules with dont_notify when connecting to an older server? 🤔

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Yes it probably also applies to clients working with an old server.

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Ok, I have rephrased the paragraph slightly to include clients as well.

@clokep clokep merged commit e4589bb into matrix-org:main Jul 10, 2024
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2 participants