Release: v1.5.27

Weekly release for September 25 2025

Release Summary:

• Our kTLS feature can now perform key updates, meaning that kTLS is now safe to turn on in TLS1.3 when using the newest version of the linux kernel (6.14+).

What's Changed

• docs(usage guide): description connection serialization by @jmayclin in #5504
• test(integv2): trim bloated cases by @jmayclin in #5453
• test: Adds test for serializing a previously-serialized connection by @maddeleine in #5495
• chore: bindings release 0.3.26 by @CarolYeh910 in #5509
• build(deps): bump the all-gha-updates group in /.github/workflows with 4 updates by @dependabot[bot] in #5497
• ci: fix clippy by @CarolYeh910 in #5516
• chore(ci): Update older integ job to prep for deprecation by @dougch in #5501
• chore: delete files in preparation for refactor by @jmayclin in #5517
• ci: pin libloading which requires MSRV 1.71 by @jouho in #5520
• chore(ci): add sanitizer jobs for openssl-1.0.2-fips by @dougch in #5508
• chore(ci): add openssl-1.0.2-fips gcc-4.8 job by @dougch in #5512
• ci: remove duplicate buildspec by @dougch in #5228
• feat: Add key update to ktls feature by @maddeleine in #5484

Full Changelog: v1.5.26...v1.5.27