## 0.1.0-beta2 / 2015-02-03
* [BUGFIX] Properly set timeout for incoming alerts with fixed start time
* [ENHANCEMENT] Send source field in OpsGenie integration
* [ENHANCEMENT] Improved routing configuration validation
* [FEATURE] Basic instrumentation added

## 0.1.0-beta1 / 2015-01-08
* [BUGFIX] Send full alert group state on each update. Fixes erroneous resolved notifications.
* [FEATURE] HipChat integration
* [CHANGE] Slack integration no longer sends resolved notifications by default

## 0.1.0-beta0 / 2015-12-23
This version is a full rewrite of the Alertmanager with a very different
feature set. Thus, there is no meaningful changelog.

## 0.0.4 / 2015-09-09
* [BUGFIX] Fix version info string in startup message.
* [BUGFIX] Fix Pushover notifications by setting the right priority level, as
  well as required retry and expiry intervals.
* [FEATURE] Make it possible to link to individual alerts in the UI.
* [FEATURE] Rearrange alert columns in UI and allow expanding more alert details.
* [FEATURE] Add Amazon SNS notifications.
* [FEATURE] Add OpsGenie Webhook notifications.
* [FEATURE] Add `-web.external-url` flag to control the externally visible
  Alertmanager URL.
* [FEATURE] Add runbook and alertmanager URLs to PagerDuty and email notifications.
* [FEATURE] Add a GET API to /api/alerts which pulls JSON formatted
  AlertAggregates.
* [ENHANCEMENT] Sort alerts consistently in web UI.
* [ENHANCEMENT] Suggest to use email address as silence creator.
* [ENHANCEMENT] Make Slack timeout configurable.
* [ENHANCEMENT] Add channel name to error logging about Slack notifications.
* [ENHANCEMENT] Refactoring and tests for Flowdock notifications.
* [ENHANCEMENT] New Dockerfile using alpine-golang-make-onbuild base image.
* [CLEANUP] Add Docker instructions and other cleanups in README.md.
* [CLEANUP] Update Makefile.COMMON from prometheus/utils.

## 0.0.3 / 2015-06-10
* [BUGFIX] Fix email template body writer being called with parameters in wrong order.

## 0.0.2 / 2015-06-09

* [BUGFIX] Fixed silences.json permissions in Docker image.
* [CHANGE] Changed case of API JSON properties to initial lower letter.
* [CHANGE] Migrated logging to use http://github.com/prometheus/log.
* [FEATURE] Flowdock notification support.
* [FEATURE] Slack notification support.
* [FEATURE] Generic webhook notification support.
* [FEATURE] Support for "@"-mentions in HipChat notifications.
* [FEATURE] Path prefix option to support reverse proxies.
* [ENHANCEMENT] Improved web redirection and 404 behavior.
* [CLEANUP] Updated compiled web assets from source.
* [CLEANUP] Updated fsnotify package to its new source location.
* [CLEANUP] Updates to README.md and AUTHORS.md.
* [CLEANUP] Various smaller cleanups and improvements.