Synapse 1.32.1 (2021-04-21)

===========================

This release fixes [a
regression](https://github.com/matrix-org/synapse/issues/9853)
in Synapse 1.32.0 that caused connected Prometheus instances to become
unstable. If you
ran Synapse 1.32.0 with Prometheus metrics, first upgrade to Synapse
1.32.1 and follow
[these
instructions](https://github.com/matrix-org/synapse/pull/9854#issuecomment-823472183)
to clean up any excess writeahead logs.

Bugfixes
--------

- Fix a regression in Synapse 1.32.0 which caused Synapse to report
large numbers of Prometheus time series, potentially overwhelming
Prometheus instances.
([\#9854](https://github.com/matrix-org/synapse/issues/9854))
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