0.23.0-rc.0 / 2021-08-09

• [FEATURE] Add AWS SNS receiver. #2615
• [FEATURE] amtool: add new template render command. #2538
• [ENHANCEMENT] amtool: Add ability to skip TLS verification for amtool. #2663
• [ENHANCEMENT] amtool: Detect version drift and warn users. #2672
• [BUGFIX] Time-based muting: Ensure time interval comparisons are in UTC. #2648
• [BUGFIX] amtool: Fix empty isEqual when talking to incompatible alertmanager. #2668

0.22.2 / 2021-06-01

• [BUGFIX] Include pending silences for future muting decisions. #2590

0.22.1 / 2021-05-27

This release addresses a regression in the API v1 that was introduced in 0.22.0.
Matchers in silences created with the API v1 could be considered negative
matchers. This affects users using amtool prior to v0.17.0.

• [BUGFIX] API v1: Decode matchers without isEqual are positive matchers. #2603

0.22.0 / 2021-05-21

• [CHANGE] Amtool and Alertmanager binaries help now prints to stdout. #2505
• [CHANGE] Use path relative to the configuration file for certificates and password files. #2502
• [CHANGE] Display Silence and Alert dates in ISO8601 format. #2363
• [FEATURE] Add date picker to silence form views. #2262
• [FEATURE] Add support for negative matchers. #2434 #2460 and many more.
• [FEATURE] Add time-based muting to routing tree. #2393
• [FEATURE] Support TLS and basic authentication on the web server. #2446
• [FEATURE] Add OAuth 2.0 client support in HTTP client. #2560
• [ENHANCEMENT] Add composite durations in the configuration (e.g. 2h20m). #2353
• [ENHANCEMENT] Add follow_redirect option to disable following redirects. #2551
• [ENHANCEMENT] Add metric for permanently failed notifications. #2383
• [ENHANCEMENT] Add support for custom authorization scheme. #2499
• [ENHANCEMENT] Add support for not following HTTP redirects. #2499
• [ENHANCEMENT] Add support to set the Slack URL from a file. #2534
• [ENHANCEMENT] amtool: Add alert status to extended and simple output. #2324
• [ENHANCEMENT] Do not omit false booleans in the configuration page. #2317
• [ENHANCEMENT] OpsGenie: Propagate labels to Opsgenie details. #2276
• [ENHANCEMENT] PagerDuty: Filter out empty images and links. #2379
• [ENHANCEMENT] WeChat: add markdown support. #2309
• [BUGFIX] Fix a possible deadlock on shutdown. #2558
• [BUGFIX] UI: Fix extended printing of regex sign. #2445
• [BUGFIX] UI: Fix the favicon when using a path prefix. #2392
• [BUGFIX] Make filter labels consistent with Prometheus. #2403
• [BUGFIX] alertmanager_config_last_reload_successful takes templating failures into account. #2373
• [BUGFIX] amtool: avoid nil dereference in silence update. #2427
• [BUGFIX] VictorOps: Catch routing_key templating errors. #2467

0.22.0-rc.2 / 2021-05-17

• [CHANGE] Amtool and Alertmanager binaries help now prints to stdout. #2505
• [CHANGE] Use path relative to the configuration file for certificates and password files. #2502
• [CHANGE] Display Silence and Alert dates in ISO8601 format. #2363
• [FEATURE] Add date picker to silence form views. #2262
• [FEATURE] Add support for negative matchers. #2434 #2460 and many more.
• [FEATURE] Add time-based muting to routing tree. #2393
• [FEATURE] Support TLS and basic authentication on the web server. #2446
• [FEATURE] Add OAuth 2.0 client support in HTTP client. #2560
• [ENHANCEMENT] Add composite durations in the configuration (e.g. 2h20m). #2353
• [ENHANCEMENT] Add follow_redirect option to disable following redirects. #2551
• [ENHANCEMENT] Add metric for permanently failed notifications. #2383
• [ENHANCEMENT] Add support for custom authorization scheme. #2499
• [ENHANCEMENT] Add support for not following HTTP redirects. #2499
• [ENHANCEMENT] Add support to set the Slack URL from a file. #2534
• [ENHANCEMENT] amtool: Add alert status to extended and simple output. #2324
• [ENHANCEMENT] Do not omit false booleans in the configuration page. #2317
• [ENHANCEMENT] OpsGenie: Propagate labels to Opsgenie details. #2276
• [ENHANCEMENT] PagerDuty: Filter out empty images and links. #2379
• [ENHANCEMENT] WeChat: add markdown support. #2309
• [BUGFIX] Fix a possible deadlock on shutdown. #2558
• [BUGFIX] UI: Fix extended printing of regex sign. #2445
• [BUGFIX] UI: Fix the favicon when using a path prefix. #2392
• [BUGFIX] Make filter labels consistent with Prometheus. #2403
• [BUGFIX] alertmanager_config_last_reload_successful takes templating failures into account. #2373
• [BUGFIX] amtool: avoid nil dereference in silence update. #2427
• [BUGFIX] VictorOps: Catch routing_key templating errors. #2467

0.22.0-rc.1 / 2021-05-10

• [CHANGE] Amtool and Alertmanager binaries help now prints to stdout. #2505
• [CHANGE] Use path relative to the configuration file for certificates and password files. #2502
• [CHANGE] Display Silence and Alert dates in ISO8601 format. #2363
• [FEATURE] Add date picker to silence form views. #2262
• [FEATURE] Add support for negative matchers. #2434 #2460 and many more.
• [FEATURE] Add time-based muting to routing tree. #2393
• [FEATURE] Support TLS and basic authentication on the web server. #2446
• [FEATURE] Add OAuth 2.0 client support in HTTP client. #2560
• [ENHANCEMENT] Add composite durations in the configuration (e.g. 2h20m). #2353
• [ENHANCEMENT] Add follow_redirect option to disable following redirects. #2551
• [ENHANCEMENT] Add metric for permanently failed notifications. #2383
• [ENHANCEMENT] Add support for custom authorization scheme. #2499
• [ENHANCEMENT] Add support for not following HTTP redirects. #2499
• [ENHANCEMENT] Add support to set the Slack URL from a file. #2534
• [ENHANCEMENT] amtool: Add alert status to extended and simple output. #2324
• [ENHANCEMENT] Do not omit false booleans in the configuration page. #2317
• [ENHANCEMENT] OpsGenie: Propagate labels to Opsgenie details. #2276
• [ENHANCEMENT] PagerDuty: Filter out empty images and links. #2379
• [ENHANCEMENT] WeChat: add markdown support. #2309
• [BUGFIX] Fix a possible deadlock on shutdown. #2558
• [BUGFIX] UI: Fix extended printing of regex sign. #2445
• [BUGFIX] UI: Fix the favicon when using a path prefix. #2392
• [BUGFIX] Make filter labels consistent with Prometheus. #2403
• [BUGFIX] alertmanager_config_last_reload_successful takes templating failures into account. #2373
• [BUGFIX] amtool: avoid nil dereference in silence update. #2427
• [BUGFIX] VictorOps: Catch routing_key templating errors. #2467

0.22.0-rc.0 / 2021-05-04

• [CHANGE] Amtool and Alertmanager binaries help now prints to stdout. #2505
• [CHANGE] Use path relative to the configuration file for certificates and password files. #2502
• [CHANGE] Display Silence and Alert dates in ISO8601 format. #2363
• [FEATURE] Add date picker to silence form views. #2262
• [FEATURE] Add support for negative matchers. #2434 #2460 and many more.
• [FEATURE] Add time-based muting to routing tree. #2393
• [FEATURE] Support TLS and basic authentication on the web server. #2446
• [FEATURE] Add OAuth 2.0 client support in HTTP client. #2560
• [ENHANCEMENT] Add composite durations in the configuration (e.g. 2h20m). #2353
• [ENHANCEMENT] Add follow_redirect option to disable following redirects. #2551
• [ENHANCEMENT] Add metric for permanently failed notifications. #2383
• [ENHANCEMENT] Add support for custom authorization scheme. #2499
• [ENHANCEMENT] Add support for not following HTTP redirects. #2499
• [ENHANCEMENT] Add support to set the Slack URL from a file. #2534
• [ENHANCEMENT] amtool: Add alert status to extended and simple output. #2324
• [ENHANCEMENT] Do not omit false booleans in the configuration page. #2317
• [ENHANCEMENT] PagerDuty: Filter out empty images and links. #2379
• [ENHANCEMENT] WeChat: add markdown support. #2309
• [BUGFIX] Fix a possible deadlock on shutdown. #2558
• [BUGFIX] UI: Fix extended printing of regex sign. #2445
• [BUGFIX] UI: Fix the favicon when using a path prefix. #2392
• [BUGFIX] Make filter labels consistent with Prometheus. #2403
• [BUGFIX] alertmanager_config_last_reload_successful takes templating failures into account. #2373
• [BUGFIX] amtool: avoid nil dereference in silence update. #2427
• [BUGFIX] VictorOps: Catch routing_key templating errors. #2467

0.21.0 / 2020-06-16

This release removes the HipChat integration as it is discontinued by Atlassian on June 30th 2020.

• [CHANGE] [HipChat] Remove HipChat integration as it is end-of-life. #2282
• [CHANGE] [amtool] Remove default assignment of environment variables. #2161
• [CHANGE] [PagerDuty] Enforce 512KB event size limit. #2225
• [ENHANCEMENT] [amtool] Add cluster command to show cluster and peer statuses. #2256
• [ENHANCEMENT] Add redirection from / to the routes prefix when it isn't empty. #2235
• [ENHANCEMENT] [Webhook] Add max_alerts option to limit the number of alerts included in the payload. #2274
• [ENHANCEMENT] Improve logs for API v2, notifications and clustering. #2177 #2188 #2260 #2261 #2273
• [BUGFIX] Fix child routes not inheriting their parent route's grouping when group_by: [...]. #2154
• [BUGFIX] [UI] Fix the receiver selector in the Alerts page when the receiver name contains regular expression metacharacters such as +. #2090
• [BUGFIX] Fix error message about start and end time validation. #2173
• [BUGFIX] Fix a potential race condition in dispatcher. #2208
• [BUGFIX] [API v2] Return an empty array of peers when the clustering is disabled. #2203
• [BUGFIX] Fix the registration of alertmanager_dispatcher_aggregation_groups and alertmanager_dispatcher_alert_processing_duration_seconds metrics. #2200
• [BUGFIX] Always retry notifications with back-off. #2290

0.21.0-rc.0 / 2020-06-05

• [CHANGE] [amtool] Remove default assignment of environment variables. #2161
• [CHANGE] [PagerDuty] Enforce 512KB event size limit. #2225
• [ENHANCEMENT] [amtool] Add cluster command to show cluster and peer statuses. #2256
• [ENHANCEMENT] Add redirection from / to the routes prefix when it isn't empty. #2235
• [ENHANCEMENT] [Webhook] Add max_alerts option to limit the number of alerts included in the payload. #2274
• [ENHANCEMENT] Improve logs for API v2, notifications and clustering. #2177 #2188 #2260 #2261 #2273
• [BUGFIX] Fix child routes not inheriting their parent route's grouping when group_by: [...]. #2154
• [BUGFIX] [UI] Fix the receiver selector in the Alerts page when the receiver name contains regular expression metacharacters such as +. #2090
• [BUGFIX] Fix error message about start and end time validation. #2173
• [BUGFIX] Fix a potential race condition in dispatcher. #2208
• [BUGFIX] [API v2] Return an empty array of peers when the clustering is disabled. #2203
• [BUGFIX] Fix the registration of alertmanager_dispatcher_aggregation_groups and alertmanager_dispatcher_alert_processing_duration_seconds metrics. #2200

0.20.0 / 2019-12-11

• [CHANGE] Check that at least one silence matcher matches a non-empty string. #2081
• [ENHANCEMENT] [pagerduty] Check that PagerDuty keys aren't empty. #2085
• [ENHANCEMENT] [template] Add the stringSlice function. #2101
• [ENHANCEMENT] Add alertmanager_dispatcher_aggregation_groups and alertmanager_dispatcher_alert_processing_duration_seconds metrics. #2113
• [ENHANCEMENT] Log unused receivers. #2114
• [ENHANCEMENT] Add alertmanager_receivers metric. #2114
• [ENHANCEMENT] Add alertmanager_integrations metric. #2117
• [ENHANCEMENT] [email] Add Message-Id Header to outgoing emails. #2057
• [BUGFIX] Don't garbage-collect alerts from the store. #2040
• [BUGFIX] [ui] Disable the grammarly plugin on all textareas. #2061
• [BUGFIX] [config] Forbid nil regexp matchers. #2083
• [BUGFIX] [ui] Fix Silences UI when several filters are applied. #2075

Contributors:

• @CharlesJUDITH
• @NotAFile
• @Pger-Y
• @TheMeier
• @johncming
• @n33pm
• @ntk148v
• @oddlittlebird
• @perlun
• @qoops-1
• @roidelapluie
• @simonpasquier
• @stephenreddek
• @sylr
• @vrischmann