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Java Driver 5.6.4 (February 23, 2026)

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@mongodb-dbx-release-bot mongodb-dbx-release-bot released this 23 Feb 15:40
· 1 commit to 5.6.x since this release

What's Changed

  • Fixed a recent change in how we use Netty buffers that could cause memory to be released too early under certain allocator configurations, leading to unexpected runtime errors. This update restores the correct shared reference-count behavior in Netty (by @vbabanin in #1897 JAVA-6107)

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: r5.6.3...r5.6.4