# Healthchecks v4.1

- Product: Healthchecks (https://whatsnew.fyi/product/healthchecks)
- Vendor: Pēteris Caune
- Date: 2026-03-20
- Version: v4.1
- Original notes: https://github.com/healthchecks/healthchecks/releases/tag/v4.1
- Permalink: https://whatsnew.fyi/product/healthchecks/releases/v4.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **removed** — Remove team size limits so users on all plans can now invite many team members
- **added** — Add a one-line summary at the top of monthly/weekly/daily reports
- **fixed** — Fix a formatting issue in Matrix notification template
- **fixed** — Fix emails to never use non-breaking spaces in plain text emails
- **fixed** — Fix the Change Email form to warn the user about TOTP 2FA
- **fixed** — Fix daily reports to show downtime stats for the previous 2 days instead of months
- **fixed** — Fix incorrect Bearer token handling in the Prometheus metrics endpoint
- **fixed** — Fix the Clone function to copy the filter_http_body and filter_default_fail fields
- **fixed** — Fix the ping handler to reject uppercase letters in slug values

###### 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)