Healthchecks

Improvements

• Send "Monthly Phone/SMS/WA Limit Reached" notice to all team members (not just owner)
• Include notification text in the "Monthly Phone/SMS/WA Limit Reached" notice
• Add a note about unset ping key in the check details page (#1295)
• In the "Add Gotify" form, let users specify alert priorities (#990, @BeyondMagic)
• Add ability to edit existing Gotify integrations
• Switch from Selectize to Tom Select for dropdown controls
• Implement Markdown formatting in Ntfy notifications
• Update alert templates to report downtime duration (#1309)
• Switch to Argon2 as the default hasher for passwords and login tokens
• Optimize DB queries for team membership lookups and for the "Get Pings" API call

Bug Fixes

• Fix WebhookValidator to handle input that contains square brackets
• Update Check.rename_and_delete() to better handle race conditions
• Enforce check limit (times two) when pinging by slug
• Fix the "Edit Ntfy" form to preserve selected priorities when the form reloads
• Fix the parsing of inbound emails with UTF8 body (#1311)
• Add rate-limiting by email in the /accounts/signup view

Improvements

• Update the email alert template to cut the beginning of the last ping body (#939)
• Update the email integration to attach email pings as .eml attachments

Bug Fixes

• Fix the email integration to handle deep attachment stacks in last ping body
• Fix check name and tag escaping in the Shell integration

Bug Fixes

• Fix sendalerts to avoid crashing on a timed out db connection (#1267)
• Fix the update_timeout view to also kick off nags

Improvements

• Remove team size limits: users on all plans can now invite many team members
• Add a one-line summary at the top of monthly/weekly/daily reports

Bug Fixes

• Fix a formatting issue in Matrix notification template (#1264, @neoscaler)
• Fix emails to never use non-breaking spaces in plain text emails
• Fix the "Change Email" form to warn the user about TOTP 2FA
• Fix daily reports to show downtime stats for the previous 2 days (not months)
• Fix incorrect Bearer token handling in the Prometheus metrics endpoint
• Fix the "Clone" function to copy the filter_http_body, filter_default_fail fields
• Fix the ping handler to reject uppercase letters in slug values (#1271)

This release drops support of Python 3.11 and below. The minimum required Python version is 3.12.

Improvements

• Upgrade to Django 6.0
• Update the Matrix integration to use Matrix v3 API (#1244)
• Update email alert template to use user's preferred time zone (#1230)
• Update the web UI to use user's preferred timezone instead of browser's timezone
• Add data migration to update legacy timezones to current canonical timezones (#1250)
• Switch to using multicolor icon font for integration icons

Bug Fixes

• Fix the text version of email report for recently created checks (#1236, @adelton)
• Fix prepare_durations() to assert ping ordering by id not by created date
• Fix the "Pause" API call and UI action to no-op if the check is already paused

Improvements

• Add new content filtering options in the "Filtering Rules" dialog (#1130, #954)
• Fix the email integration's unsub view to disable (not delete) the channel
• Add support for _FILE environment variables (#1184)

Bug Fixes

• Pin minio in Dockerfile to a known good version (#1235)

Improvements

• Add rate limiting and a default ntfy.sh token support for ntfy notifications
• Sort checks in daily/weekly/monthly reports by downtime duration, then by name (#1095)
• Generate lower-case ping keys to work around broken email providers (#1218)
• After creating a ping key show a dialog displaying the new ping key (#1222)
• Add a tooltip with timestamp in the checks table, "Last Ping" column (#1040)
• Update the Zulip transport to allow addressing users by User ID (#771)
• Add hc_check_grace and hc_check_paused Prometheus metrics (#897, #915)
• Update Docker base image to python:3.13.9-slim-trixie (#1233)

Bug Fixes

• Fix cron schedule formatting in Discord notifications
• Fix cron schedule formatting in Rocket.Chat notifications (in mobile app)

Bug Fixes

• Update Docker image to handle legacy time zones (#1210)

Improvements

• Update Dockerfile to use Debian Trixie as the base

Bug Fixes

• Update Docker image to listen on IPv6 only if LISTEN_IPV6 env var is set (#1207)

Improvements

• Store project API keys in the database in a hashed form (#1167)
• Use "hcw_" and "hcr_" prefixes in project API keys (#1148)
• New integration: Google Chat (#423)
• Fix the ping view to handle IPv4-mapped IPv6 addresses (#1169)
• Update Dockerfile to listen on IPv6 as well (#1177)
• Add "ping_key+slug@..." address support when pinging by email (#1009)
• Add daily email report option (#1202)