Java Driver 5.9.0 (July 07, 2026)

What's Changed

• build(deps): bump testing/resources/specifications from b519824 to 25bee54 by @dependabot[bot] in #1984
• Evergreen: fixes - gpg and oidc by @rozza in #1987
• JAVA-6182 Update the Git submodule from 25bee54 to 4484038 by @stIncMale in #1992
• Add Windows CI testing by @vbabanin in #1935
• Update Specs to latest by @rozza in #2001
• Fix reactive streams MongoClient.getTimeout always returning null by @stIncMale in #2009
• JAVA-6237: Explicit Encryption Case 2 uses contention-10 collection by @rozza in #2003
• JAVA-6168 JAVA-6244 JAVA-6196: QE prefix/suffix/substring GA + rename Text API to String by @nhachicha in #2010

Verifying artifact signatures

Please refer to https://www.mongodb.com/docs/drivers/java/sync/current/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: r5.8.0...r5.9.0