0.16.0-alpha.0 / 2018-11-30

This release introduces a new API v2, fully generated via the OpenAPI project
[1]. At the same time with this release the previous API v1 is being
deprecated. API v1 will be removed with Alertmanager release v0.18.0.

• [CHANGE] Deprecate API v1
• [CHANGE] Remove api/v1/alerts/groups GET endpoint (#1508 & #1525)
• [CHANGE] Revert Alertmanager working directory changes in Docker image back to /alertmanager (#1435)
• [CHANGE] Using the recommended label syntax for maintainer in Dockerfile (#1533)
• [CHANGE] Change alertmanager_notifications_total to count attempted notifications, not only successful ones (#1578)
• [CHANGE] Run as nobody inside container (#1586)
• [CHANGE] Support w for weeks when creating silences, remove y for year (#1620)
• [FEATURE] Introduce OpenAPI generated API v2 (#1352)
• [FEATURE] Lookup parts in strings using regexp.MatchString in templates (#1452)
• [FEATURE] Support image/thumb url in attachment in Slack notifier (#1506)
• [FEATURE] Support custom TLS certificates for the email notifier (#1528)
• [FEATURE] Add support for images and links in the PagerDuty notification config (#1559)
• [FEATURE] Add support for grouping by all labels (#1588)
• [FEATURE] [amtool] Add timeout support to amtool commands (#1471)
• [FEATURE] [amtool] Added config routes tools for vizualization and testing routes (#1511)
• [FEATURE] [amtool] Support adding alerts using amtool (#1461)
• [ENHANCEMENT] Add help link in UI to Alertmanager documentation (#1522)
• [ENHANCEMENT] Enforce HTTP or HTTPS URLs in Alertmanager config (#1567)
• [ENHANCEMENT] Make OpsGenie API Key a templated string (#1594)
• [ENHANCEMENT] Add name, value and SlackConfirmationField to action in Slack notifier (#1557)
• [ENHANCEMENT] Show more alert information on silence form and silence view pages (#1601)
• [ENHANCEMENT] Add cluster peers DNS refresh job (#1428)
• [BUGFIX] Fix email template typo in alert-warning style (#1421)
• [BUGFIX] Fix silence redirect on silence creation UI page (#1548)
• [BUGFIX] Add missing callback_id parameter in Slack notifier (#1592)
• [BUGFIX] Throw error if no auth mechanism matches in email notifier (#1608)
• [BUGFIX] Use quoted-printable transfer encoding for the email notifier (#1609)
• [BUGFIX] Do not merge expired gossip messages (#1631)
• [BUGFIX] Fix "PLAIN" auth during notification via smtp-over-tls on port 465 (#1591)
• [BUGFIX] [amtool] Support assuming first label is alertname in alert query with matchers (#1575)
• [BUGFIX] [amtool] Fix config path check in amtool (#1538)
• [BUGFIX] [amtool] Fix rfc3339 example texts (#1526)
• [BUGFIX] [amtool] Fixed issue with loading path of a default configs (#1529)

[1] https://github.com/prometheus/alertmanager#api

0.15.3 / 2018-11-09

• [BUGFIX] Fix alert merging supporting both empty and set EndsAt property for firing alerts send by Prometheus (#1611)

0.15.2 / 2018-08-14

• [ENHANCEMENT] [amtool] Add support for stdin to check-config (#1431)
• [ENHANCEMENT] Log PagerDuty v1 response on BadRequest (#1481)
• [BUGFIX] Correctly encode query strings in notifiers (#1516)
• [BUGFIX] Add cache control headers to the API responses to avoid IE caching (#1500)
• [BUGFIX] Avoid listener blocking on unsubscribe (#1482)
• [BUGFIX] Fix a bunch of unhandled errors (#1501)
• [BUGFIX] Update PagerDuty API V2 to send full details on resolve (#1483)
• [BUGFIX] Validate URLs at config load time (#1468)
• [BUGFIX] Fix Settle() interval (#1478)
• [BUGFIX] Fix email to be green if only none firing (#1475)
• [BUGFIX] Handle errors in notify (#1474)
• [BUGFIX] Fix templating of hipchat room id (#1463)

0.15.1 / 2018-07-10

• [BUGFIX] Fix email template typo in alert-warning style (#1421)
• [BUGFIX] Fix regression in Pager Duty config (#1455)
• [BUGFIX] Catch templating errors in Wechat Notify (#1436)
• [BUGFIX] Fail when no private address can be found for cluster (#1437)
• [BUGFIX] Make sure we don't miss the first pushPull when joining cluster (#1456)
• [BUGFIX] Fix concurrent read and wirte group error in dispatch (#1447)

0.15.0 / 2018-06-22

• [CHANGE] [amtool] Update silence add and update flags (#1298)
• [CHANGE] Replace deprecated InstrumentHandler() (#1302)
• [CHANGE] Validate Slack field config and only allow the necessary input (#1334)
• [CHANGE] Remove legacy alert ingest endpoint (#1362)
• [CHANGE] Move to memberlist as underlying gossip protocol including cluster flag changes from --mesh.xxx to --cluster.xxx (#1232)
• [CHANGE] Move Alertmanager working directory in Docker image to /etc/alertmanager (#1313)
• [BUGFIX/CHANGE] The default group by is no labels. (#1287)
• [FEATURE] [amtool] Filter alerts by receiver (#1402)
• [FEATURE] Wait for mesh to settle before sending alerts (#1209)
• [FEATURE] [amtool] Support basic auth in alertmanager url (#1279)
• [FEATURE] Make HTTP clients used for integrations configurable
• [ENHANCEMENT] Support receiving alerts with end time and zero start time
• [ENHANCEMENT] Sort dispatched alerts by job+instance (#1234)
• [ENHANCEMENT] Support alert query filters active and unprocessed (#1366)
• [ENHANCEMENT] [amtool] Expose alert query flags --active and --unprocessed (#1370)
• [ENHANCEMENT] Add Slack actions to notifications (#1355)
• [BUGFIX] Register nflog snapShotSize metric
• [BUGFIX] Sort alerts in correct order before flushing to notifiers (#1349)
• [BUGFIX] Don't reset initial wait timer if flush is in-progress (#1301)
• [BUGFIX] Fix resolved alerts still inhibiting (#1331)
• [BUGFIX] Template wechat config fields (#1356)
• [BUGFIX] Notify resolved alerts properly (#1408)
• [BUGFIX] Fix parsing for label values with commas (#1395)
• [BUGFIX] Hide sensitive Wechat configuration (#1253)
• [BUGFIX] Prepopulate matchers when recreating a silence (#1270)
• [BUGFIX] Fix wechat panic (#1293)
• [BUGFIX] Allow empty matchers in silences/filtering (#1289)
• [BUGFIX] Properly configure HTTP client for Wechat integration

0.15.0-rc.3 / 2018-06-16

• [BUGFIX] When setting initially failing peers, if advertise address is empty, use bindAddr (#1411)
• [BUGFIX] Register nflog snapShotSize metric
• [BUGFIX] Sort alerts in correct order before flushing to notifiers (#1349)
• [BUGFIX] Don't track FQDN addresses as inital cluster peers (#1416)
• [BUGFIX] Gossip large messages via SendReliable (TCP) (#1415)
• [BUGFIX] Prune the gossip message queue if it contains too many items (#1418)

0.15.0-rc.2 / 2018-06-08

• [CHANGE] [amtool] Update silence add and update flags (#1298)
• [CHANGE] Replace deprecated InstrumentHandler() (#1302)
• [CHANGE] Validate Slack field config and only allow the necessary input (#1334)
• [CHANGE] Remove legacy alert ingest endpoint (#1362)
• [FEATURE] [amtool] Filter alerts by receiver (#1402)
• [ENHANCEMENT] Support alert query filters active and unprocessed (#1366)
• [ENHANCEMENT] [amtool] Expose alert query flags --active and --unprocessed (#1370)
• [ENHANCEMENT] Add additional cluster configuration flags (#1379)
• [ENHANCEMENT] Add Slack actions to notifications (#1355)
• [BUGFIX] Fix merge broadcast errors with unexpected EOF (#1286)
• [BUGFIX] Fix potential panic decoding gossip messages (#1316)
• [BUGFIX] Don't reset initial wait timer if flush is in-progress (#1301)
• [BUGFIX] Fix resolved alerts still inhibiting (#1331)
• [BUGFIX] Template wechat config fields (#1356)
• [BUGFIX] Alertmanager cluster reconnects (#1384)
• [BUGFIX] Clustering advertises explicitly for empty addresses (#1386)
• [BUGFIX] Notify resolved alerts properly (#1408)
• [BUGFIX] Alertmanager gossips notification messages and silences (#1389)
• [BUGFIX] Fix setting initial peers for clustering (#1407)
• [BUGFIX] Fix parsing for label values with commas (#1395)

0.15.0-rc.1 / 2018-03-22

• [BUGFIX/CHANGE] The default group_by is no labels. (#1287)
• [FEATURE] Wait for mesh to settle before sending alerts (#1209)
• [FEATURE] [amtool] Support basic auth in alertmanager url (#1279)
• [ENHANCEMENT] Sort dispatched alerts by job+instance (#1234)
• [BUGFIX] Hide sensitive Wechat configuration (#1253)
• [BUGFIX] Prepopulate matchers when recreating a silence (#1270)
• [BUGFIX] Fix wechat panic (#1293)
• [BUGFIX] Allow empty matchers in silences/filtering (#1289)
• [BUGFIX] Fix gossip broadcast EOF errors (#1286)

0.15.0-rc.0 / 2018-02-28

• [CHANGE] Moved to memberlist as underlying gossip protocol
• [FEATURE] Make HTTP clients used for integrations configurable
• [ENHANCEMENT] Support receiving alerts with end time and zero start time
• [BUGFIX] Properly configure HTTP client for Wechat integration

The changed gossip protocol means that HA setups are not configured in a different way.
In the general case only the --cluster.peer flag should be required. Please check the --help out put detailed information on further configurables.

0.14.0 / 2018-02-12

• [ENHANCEMENT] [amtool] Silence update support dwy suffixes to expire flag (#1197)
• [ENHANCEMENT] Allow templating PagerDuty receiver severity (#1214)
• [ENHANCEMENT] Include receiver name in failed notifications log messages (#1207)
• [ENHANCEMENT] Allow global opsgenie api key (#1208)
• [ENHANCEMENT] Add mesh metrics (#1225)
• [ENHANCEMENT] Add Class field to PagerDuty; add templating to PagerDuty-CEF fields (#1231)
• [BUGFIX] Don't notify of resolved alerts if none were reported firing (#1198)
• [BUGFIX] Notify only when new firing alerts are added (#1205)
• [BUGFIX] [mesh] Fix pending connections never set to established (#1204)
• [BUGFIX] Allow OpsGenie notifier to have empty team fields (#1224)
• [BUGFIX] Don't count alerts with EndTime in the future as resolved (#1233)
• [BUGFIX] Speed up re-rendering of Silence UI (#1235)
• [BUGFIX] Forbid 0 value for group_interval and repeat_interval (#1230)
• [BUGFIX] Fix WeChat agentid issue (#1229)