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0.28.1 _ 2025-03-07 source code.tar.gz (2.9 MB)
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- [SECURITY] Fix stored XSS via the /api/v1/alerts endpoint in the Alertmanager UI.
- [CHANGE] Telegram Integration:
api_urlis now optional. [#2981] - [CHANGE] Telegram Integration:
ParseModedefault is nowHTMLinstead ofMarkdownV2. [#2981] - [CHANGE] Webhook Integration:
urlis now marked as a secret. It will no longer show up in the logs as clear-text. [#3228] - [CHANGE] Metrics: New label
reasonforalertmanager_notifications_failed_totalmetric to indicate the type of error of the alert delivery. [#3094] [#3307] - [FEATURE] Clustering: New flag
--cluster.label, to help to block any traffic that is not meant for the cluster. [#3354] - [FEATURE] Integrations: Add Microsoft Teams as a supported integration. [#3324]
- [ENHANCEMENT] Telegram Integration: Support
bot_token_filefor loading this secret from a file. [#3226] - [ENHANCEMENT] Webhook Integration: Support
url_filefor loading this secret from a file. [#3223] - [ENHANCEMENT] Webhook Integration: Leading and trailing white space is now removed for the contents of
url_file. [#3363] - [ENHANCEMENT] Pushover Integration: Support options
deviceandsound(sound was previously supported but undocumented). [#3318] - [ENHANCEMENT] Pushover Integration: Support
user_key_fileandtoken_filefor loading this secret from a file. [#3200] - [ENHANCEMENT] Slack Integration: Support errors wrapped in successful (HTTP status code 200) responses. [#3121]
- [ENHANCEMENT] API: Add
CORSandCache-ControlHTTP headers to all version 2 API routes. [#3195] - [ENHANCEMENT] UI: Receiver name is now visible as part of the alerts page. [#3289]
- [ENHANCEMENT] Templating: Better default text when using
{{ .Annotations }}and{{ .Labels }}. [#3256] - [ENHANCEMENT] Templating: Introduced a new function
trimSpacewhich removes leading and trailing white spaces. [#3223] - [ENHANCEMENT] CLI:
amtool silence querynow supports the--idflag to query an individual silence. [#3241] - [ENHANCEMENT] Metrics: Introduced
alertmanager_nflog_maintenance_totalandalertmanager_nflog_maintenance_errors_totalto monitor maintenance of the notification log. [#3286] - [ENHANCEMENT] Metrics: Introduced
alertmanager_silences_maintenance_totalandalertmanager_silences_maintenance_errors_totalto monitor maintenance of silences. [#3285] - [ENHANCEMENT] Logging: Log GroupKey and alerts on alert delivery when using debug mode. [#3438]
- [BUGFIX] Configuration: Empty list of
receiversandinhibit_ruleswould cause the alertmanager to crash. [#3209] - [BUGFIX] Templating: Fixed a race condition when using the
titlefunction. It is now race-safe. [#3278] - [BUGFIX] API: Fixed duplicate receiver names in the
api/v2/receiversAPI endpoint. [#3338] - [BUGFIX] API: Attempting to delete a silence now returns the correct status code,
404instead of500. [#3352] - [BUGFIX] Clustering: Fixes a panic when
tls_client_configis empty. [#3443]