• Add NoCacheBlobStore, #849
• Emulate conditional PutObject, #732, #831
• Fix EncryptedBlobStore error handling, #848
• Replace fileupload2 dependency with Jetty
• Support payload checksums, #806

Thanks @klaudworks and @polarctos for opening pull requests to improve S3Proxy!

• Add latency blobstore middleware, #836
• Allow null localIdentity with bucket locators, #781
• Fix EncryptedBlobStore support for S3 compatible backends without ETag suffix, #825
• Force Jetty header cache to be case-sensitive, #837
• Ignore more new AWS checksum headers, #760, #765
• Remove armv7 Docker image, #826
• Return PRIVATE permissions for non-POSIX systems, #816
• Use dumb-init as init system for Docker image, #793

Thanks @lukaszherman, @musabshak, @Phantom-101, @polarctos, and @re1709 for opening pull requests to improve S3Proxy!

• Change Docker storage backend to filesystem-nio2
• Fix insecure path traversal in filesystem and filesystem-nio2, #769
• Ignore new AWS checksum headers, #765
• Run s3-tests against Minio in CI, #744
• Support IRSA for aws-s3 provider, #749
• Support JSON logging, #764
• Upgrade to Apache jclouds 2.7.0, #468, #708, #746

Thanks @Anhui-tqhuang and @ryanfaircloth for opening pull requests to improve S3Proxy!
Also thanks @nicowaisman for privately reporting a security vulnerability.

• Add filesystem-nio2 storage backend
• Run s3-tests against Azurite in CI

• Multiple fixes for the transient-nio2 storage backend

• Add azureblob-sdk storage backend which supports other authentication mechanisms
• Add middleware to replace user metadata
• Add transient-nio2 storage backend
• Allow setting service-path config when running via Docker
• Ignore x-amz-te: append-md5 request header
• Ignore part checksums in CompleteMultipartUpload
• Improve testing by using Azurite in CI
• Set outputLength correctly on open ended range requests to encryptedBlobStore
• Support SSL setup via SSLContext in S3Proxy.Builder

Thanks @bersti, @ferjm, @hermandavid, @ptemarvelde, and @ZHAO-SHI-HAO for opening pull requests to improve S3Proxy!

• Allow x-amz-user-agent header
• Add middleware to override storage class
• Adds feature allowing Access-Control-Expose-Headers configuration
• Configure maximum-timeskew with environment variable
• Fix time skew validation for presigned urls
• Look up HTTP headers while ignoring case
• Remove timestamp validation for requests that use query string authentication

Thanks @losfair, @sullis, @timuralp, @timursaikaliev, @twickline, and @vilmosnagy for opening pull request to improve S3Proxy!

• Add DELETE and HEAD methods for CORS and CORS headers for all responses, #565
• Add regex middleware, #495
• Atomically replace objects in filesystem putBlob, apache/jclouds#162
• Change Docker base image to eclipse-temurin, #564
• CommonPrefixes is only for delimiter request; check size and tier null, #574
• Fix race condition with transient getBlob, apache/jclouds#150
• Improve performance of filesystem ListObjects with prefix and delimiter, apache/jclouds#161, apache/jclouds#164
• Increase max non-chunked request size to 128 MB, #579
• Set Jetty legacy URI compliance
• Upgrade to Apache jclouds 2.6.0 with many bug fixes

Thanks @alifirat, @jixinchi, @larshagencognite, @ryanfaircloth, @snpz, @srstsavage, and @steven-sheehy for opening pull request to improve S3Proxy!

• Add Access-Control-Allow-Credentials header, #416
• Clear system property for credentials for file paths, #546
• Ensure all errors are logged at debug level, #543
• Fixed marker being saved under wrong key in marker cache, #531
• Ignore x-amz-api-version, #497
• Improve Docker configuration, #420, #441, #505, #512, #513
• Require Java 11, #458
• Upgrade to Jetty 11, #457

Thanks @christophkreutzer, @Decard6, @kinoute, @larshagencognite, @ryanfaircloth, @srujandeshpande, @st-h, and @thiagodasilva for opening pull request to improve S3Proxy!

• configure Jetty to use legacy compliance
• improve compatibility with ExAws
• improve compatibility with Java 17
• micro-optimize request signing and parsing
• middleware to transparently encrypt data
• publish arm64 Docker images
• support for JUnit 5 extension mechanism
• upgrade to jclouds 2.5.0 with several storage backend compatibility fixes
• use Java 11 slim Docker image

Thanks @ansman, @cstamas, @FlorinPeter, @liamwhite, @sullis, @timuralp, and @xgourmandin for opening pull request to improve S3Proxy!