v2.16.1
getarcaneapp/arcanev2.16.1Oct 15, 2026by arcane-github-automation[bot]
Upgrading?
AI Summary
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.
Key Highlights
- 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.
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.
Full Release Notes
> [!NOTE] > This release fixes backup handling across older Docker daemons and S3, improves health and scheduler reliability, and reduces live-stats rendering costs. ### Backups and storage - Bind-mount volume subpaths when backing up on daemons older than API 1.45. (#4399) @kmendell - Send S3 request checksums only when required, improving GCS compatibility. (#4401) @kmendell - Write S3-only system backups directly to S3 without a local repository. (#4400) @kmendell - Include the absolute path and UID in project-directory permission errors. (#4404) @kmendell ### Containers, projects, and scheduling - Report Francis as down when its host exits and extend its health-check deadline. (#4402) @kmendell - Exclude Swarm task containers from the standalone-container filter. (#4405) @kmendell - Preserve build image references when Compose fails to load, and document the update-check label. (#4406) @kmendell - Reset invalid cron settings to defaults at startup. (#4425) @kmendell - Clear caches when refreshing a workspace. (#4427) @kmendell - Allow manual updates for services with the updater disabled. (#4430) @kmendell ### Registries, updates, and access - Retry digest lookups after TLS handshake timeouts. (#4428) @kmendell - Remove the stale digest name left behind when a frozen pull is tagged. (#4409) @kmendell - Stop resending image-update push notifications on every poll. (`cd7c39cfcb6c364751d4b55bab887c11b5ebd859`) @kmendell - Restrict SSH host-key algorithms to entries in `known_hosts`. (#4403) @kmendell - Match user email lookups without regard to case. (#4429) @kmendell ### Interface and performance - Fix virtualized table cells being clipped by locking column widths in pixels. (#4407) @kmendell - Localize settings backup cards and role presets, and prevent long labels from overflowing. (#4408) @kmendell - Batch live stats by environment to reduce table rendering costs. (`3330f4e0f53bb152cc4720be8ae724cdb1bd8cbb`) @kmendell ### Maintenance - Merge all-environment resource lists on the server. (#4419) @kmendell - Simplify registry helpers with composite literals and inline helpers. (`00daf4441a6724cc9ff991f2927d73dcd61f4b89`) @kmendell - Simplify project construction, merge duplicates, and remove dependency-injection nil checks. (`a432f2c80c44017d1cba7042cf971bb03a63c410`) @kmendell - Simplify system construction and remove dependency-injection nil checks and mappers. (`cdfe49e8cbe0110e60e582aba3a4ce93c8fdb962`) @kmendell
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