0.24.0-rc.0 / 2022-03-10

• [CHANGE] Add the /api/v2 prefix to all endpoints in the OpenAPI specification and generated client code. #2696
• [CHANGE] Remove the github.com/prometheus/alertmanager/client Go package. #2763
• [FEATURE] Add --cluster.tls-config experimental flag to secure cluster traffic via mutual TLS. #2237
• [FEATURE] Add support for active time intervals. Active and mute time intervals should be defined via time_intervals rather than mute_time_intervals (the latter is deprecated but it will be supported until v1.0). #2779
• [FEATURE] Add Telegram integration. #2827
• [ENHANCEMENT] Add update_alerts field to the OpsGenie configuration to update message and description when sending alerts. #2519
• [ENHANCEMENT] Add --cluster.allow-insecure-public-advertise-address-discovery feature flag to enable discovery and use of public IP addresses for clustering. #2719
• [ENHANCEMENT] Add entity and actions fields to the OpsGenie configuration. #2753
• [ENHANCEMENT] Add opsgenie_api_key_file field to the global configuration. #2728
• [ENHANCEMENT] Add support for teams responders to the OpsGenie configuration. #2685
• [ENHANCEMENT] Add the User-Agent header to all notification requests. #2730
• [ENHANCEMENT] Re-enable HTTP/2. #2720
• [ENHANCEMENT] web: Add support for security-related HTTP headers. #2759
• [ENHANCEMENT] amtool: Allow filtering of silences by createdBy author. #2718
• [ENHANCEMENT] amtool: add --http.config.file flag to configure HTTP settings. #2764
• [BUGFIX] Fix HTTP client configuration for the SNS receiver. #2706
• [BUGFIX] Fix unclosed file descriptor after reading the silences snapshot file. #2710
• [BUGFIX] Fix field names for mute_time_intervals in JSON marshaling. #2765
• [BUGFIX] Ensure that the root route doesn't have any matchers. #2780
• [BUGFIX] Truncate the message's title to 1024 chars to avoid hitting Slack limits. #2774
• [BUGFIX] Fix the default HTML email template (email.default.html) to match with the canonical source. #2798
• [BUGFIX] Detect SNS FIFO topic based on the rendered value. #2819
• [BUGFIX] Avoid deleting and recreating a silence when an update is possible. #2816
• [BUGFIX] api/v2: Return 200 OK when deleting an expired silence. #2817
• [BUGFIX] amtool: Fix the silence's end date when adding a silence. The end date is (start date + duration) while it used to be (current time + duration). The new behavior is consistent with the update operation. #2741

0.23.0 / 2021-08-25

• [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

0.23.0-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