4.39

build-with-groq/g14.39Jul 10, 2026by chrislusf

AI Summary

This release focuses on performance improvements for Rust Volumes, security enhancements for Filer TUS uploads, and optimizations for S3 operations and memory usage.

Key Highlights

Rust Volume improvements: Async buffered writes and parallelized under-replicated copies
Filer security: JWT authorization required for TUS upload endpoints
S3 optimizations: Optimized path encoding memory and SigV4 verification
Java Client: HTTP Basic Auth support and improved chunk read error handling

New Features

IAM surfaces OIDC groups and roles into STS session context
Shell commands print status based on writable flag
Topology shares replica selection logic between shell and workers

Full Release Notes

## What's Changed

Seaweed Volume (Rust)

- async, buffered writes in VolumeEcShardsCopy (#10237)
- fix orphan purge against the rust volume server (#10289)

Volume (Go)

- keep tier-uploaded volume reporting to master after volume.tier.upload (#10259)
- clear remote flag when tiering a volume back to local (#10262)
- reload a remote-tiered volume without re-entering the data lock (#10266)
- parallelize under-replicated volume copies (#10275)
- rank by physical disk usage (#10271)

Filer

- keep the internal .system folder out of the per-bucket store path (#10248)
- require JWT authorization on TUS upload endpoints (#10249)
- cut metadata-subscription allocation churn (#10260)
- share one log-buffer window snapshot across all subscriber reads (#10267)

S3

- optimize encodePath memory allocations (#10252)
- fail over routed object writes when the owner filer is unreachable (#10251)
- keep empty-folder cleanup out of the multipart .uploads staging tree (#10273)
- tear down the emptied .versions directory on last-version delete (#10278)
- keep listing when empty directories fill the listing window (#10280)
- measure quota usage by logical size (#10274)
- verify SigV4 against each plausible reverse-proxy host (#10284)

Mount

- re-assign to a live volume when a write can't land (#10239)

IAM

- surface OIDC groups and roles into the STS session request context for resource-policy ABAC (#10263)

Java Client

- HTTP Basic Auth for filer behind an Nginx reverse proxy (#10258)
- fail cleanly when a chunk read returns short or empty data (#10269)

Shell & Admin

- print markVolumeWritable/markVolumeReadonly based on the writable flag (#10283)
- stop holding the shell admin lock across whole scheduler batches (#10290)

Topology & Balancer

- share replica selection between shell and workers (#10276)

Other

- reduce mem alloc while building str in refract (#10261)
- cap the shared-snapshot race test's heap in log_buffer (#10281)
- dropped test error in weed/worker/tasks/balance (#10291)
- merge filer service annotations to avoid duplicate keys in Helm (#10293)

Dependencies

- google.golang.org/api 0.278.0 → 0.287.0 (#10246)
- github.com/Azure/azure-sdk-for-go/sdk/storage/azblob 1.7.0 → 1.8.0 (#10245)
- github.com/aws/aws-sdk-go-v2/credentials 1.19.24 → 1.19.26 (#10243)
- github.com/go-redsync/redsync/v4 4.16.0 → 4.17.0 (#10244)
- github.com/ydb-platform/ydb-go-sdk-auth-environ 0.5.1 → 0.5.2 (#10240)
- docker/setup-qemu-action 4.1.0 → 4.2.0 (#10242)
- docker/login-action 4.2.0 → 4.4.0 (#10241)
- golang.org/x/crypto 0.45.0 → 0.52.0 in /test/sftp (#10264)
- golang.org/x/crypto 0.51.0 → 0.52.0 in /test/kafka/kafka-client-loadtest (#10265)

## New Contributors
* @dongle-code made their first contribution in https://github.com/seaweedfs/seaweedfs/pull/10252
* @chriswydra made their first contribution in https://github.com/seaweedfs/seaweedfs/pull/10263

**Full Changelog**: https://github.com/seaweedfs/seaweedfs/compare/4.38...4.39