2.9.0
=====

What’s Changed
--------------

*Major Changes*

 * Add Prometheus support. !! Config changes required to use prometheus,
   see the docs (:ref:`prometheus-remote-triggers-checker`).
   https://github.com/moira-alert/moira/pull/848
   (by @tetrergeru)

 * Filter apply regices the same way as graphite, see the docs
   (:ref:`filter-configuration`).
   https://github.com/moira-alert/moira/pull/923
   https://github.com/moira-alert/moira/pull/924
   (by @lordvidex and @tetrergeru)

 * Add swagger generated client
   https://github.com/moira-alert/client-go
   (by @almostinf)

*Minor Changes*

 * Log failed notification only after several retries
   https://github.com/moira-alert/moira/pull/906
   (by @kissken)

 * Add metrics for the number of triggers by source
   https://github.com/moira-alert/moira/pull/904
   (by @tetrergeru)

 * Add prometheus retries
   https://github.com/moira-alert/moira/pull/909
   (by @tetrergeru)

 * Add notifier is alive metric in notifier-selfcheck
   https://github.com/moira-alert/moira/pull/910
   (by @kissken)

 * Add api for all unused triggers
   https://github.com/moira-alert/moira/pull/915
   (by @kissken)

 * Add search by created by parameter
   https://github.com/moira-alert/moira/pull/908
   (by @almostinf)

 * Add error handling for regex compilation
   https://github.com/moira-alert/moira/pull/933
   (by @tetrergeru)

*Dependencies*
 
 * Switch to a maintained version of carbon-c-relay
   https://github.com/moira-alert/moira/pull/925
   (by @Pliner)

 * Upgrade mattermost & x/net version
   https://github.com/moira-alert/moira/pull/937
   (by @kissken)

 * Update go to 1.19
   https://github.com/moira-alert/moira/pull/938
   (by @kissken)

*Fixes*

 * Fix switch to maintenance at set del
   https://github.com/moira-alert/moira/pull/916
   (by @almostinf)

 * Fix panics in checker and enable panic logging
   https://github.com/moira-alert/moira/pull/928
   https://github.com/moira-alert/moira/pull/929
   https://github.com/moira-alert/moira/pull/939
   (by @tetrergeru)

 * Don't mock decode err in api
   https://github.com/moira-alert/moira/pull/902
   (by @kissken)

 * Calculate RemoteAllowed based on remote/prom configs
   https://github.com/moira-alert/moira/pull/945
   (by @Pliner)

 * Add x-nullable annotation and fix documentaion in config handler
   https://github.com/moira-alert/moira/pull/903
   (by @almostinf)