hello dear devs,

I am sending a reminder that we will cut the Prometheus 2.25 release
candidate next week.

There are multiple pull requests in flight, and I'd like to see them
land ASAP before the release:

https://github.com/prometheus/prometheus/pull/8425
This should be in the release because it makes the @ modifier in PromQL
a lot more useful. There are oustanding comments on the documentation.

https://github.com/prometheus/prometheus/pull/8424
Remote write receiver on Prometheus side. The pull request is easy but
there is an outstanding comment in the design doc:
https://docs.google.com/document/d/1PpTDtVaKAnhMRxBJ0k7_rCQ3Z3uJVcALgdPo0QpObSk/edit
Ben suggests a second binary for this, which could not scrape. I think
that as we plan to have a binary which would be scrape-and-remote-write
(the agent), having 3 binaries will be too much. Also, how would you
monitor the receiver if it is in another network? I'd rather have this
in a fully capable Prometheus binary.

Note that there is still work to be done for prometheus.io, explaining
the difference and use case vs federation, and explaining that this is
not for push based monitoring.

https://github.com/prometheus/prometheus/pull/6635
This one is for the exemplars. It is a huge pull request that was not on
my radar. I will not have the time to do a full review of it, but Ganesh
seems busy with that. If he is confident, we could have it, but it does
seem a risky PR that I would rather delay until the next
release. It also seems that Grafana has added support and announced that
it would be there for Prometheus 2.25, however, the API is not finalized
and there are valid unaddressed concerned, like
https://github.com/prometheus/prometheus/pull/6635/files#r498224939

That is the status of the big PR's, any feedback appreciated.

-- 
Julien Pivotto
@roidelapluie

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