v2.16.0 v2.16.1
getarcaneapp/arcaneOct 13, 2026 → Oct 15, 20261 day between releases
What's New
Patch release improves backup compatibility and performance while fixing reliability issues.
New Features
- Allow manual updates for services with the updater disabled.
- Write S3-only system backups directly to S3 without a local repository.
- Match user email lookups without regard to case.
- Batch live stats by environment to reduce rendering costs.
Improvements
- Improved backup compatibility with older Docker daemons and S3 storage.
- Optimized performance by batching live stats and fixing table rendering issues.
- Enhanced reliability with better health checks and scheduler behavior.
- Added security restrictions for SSH host-key algorithms.
Bug Fixes
- Bind-mount volume subpaths when backing up on older Docker daemons.
- Include absolute path and UID in project-directory permission errors.
- Reset invalid cron settings to defaults at startup.
- Retry digest lookups after TLS handshake timeouts.
- Stop resending image-update push notifications on every poll.
Upgrade Notes
No specific configuration changes are required for this patch release, though backups may behave differently with older Docker daemons.
The Two Releases
v2.16.0
Oct 13, 2026· 8 days ago
This release focuses on observability and edge infrastructure with the introduction of OpenTelemetry support and a redesigned multiplexed edge tunnel. It also brings significant CLI improvements, including self-update tooling and JSON output, alongside various enhancements to container workflows and database reliability.
Full release notesv2.16.1
Oct 15, 2026· 7 days ago
This release improves backup handling for older Docker daemons and S3 storage, enhances system reliability through better health checks, and optimizes performance by reducing live-stats rendering costs.
Full release notes