Java Driver 5.7.0-beta1 (February 26, 2026)
Pre-releaseWhat's Changed
🔥 Enhancements
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Add Micrometer/OpenTelemetry tracing support to the reactive-streams
(Micrometer / OpenTelemetry) #1898 -
Improved client-side timeout handling to better account for RTT variations #1793
🛠 Fixes
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Fixed RawBsonDocument encoding performance regression by restoring optimized codec path #1888
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Fixed Netty ByteBuf reference counting and reverted read-only change that could cause leaks during logging #1891
📦 Dependency Updates
🧪 Testing & CI
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Updated BSON/spec tests and improved Extended JSON alignment #1883
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Added SARIF reporting and CI improvements #1869
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Temporarily disabled large encryption tests on mongocryptd for CI stability #1872
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.4/security/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
Full Changelog: r5.7.0-beta0...r5.7.0-beta1