Jenkins on Project Wintermute

Jenkins 2.570 Release: SSH Key Discovery and Workspace UTF-8 Encoding

Tue, 23 Jun 2026 10:05:49 +0000

Jenkins 2.570 shipped on June 23, 2026 as a stable weekly release, not a prerelease candidate. The headline change for platform operators is pull request 26954, which extends SSH key discovery to ECDSA and Ed25519 keys in default key locations. That closes a gap for controllers and agents that rely on modern key types instead of legacy RSA only setups.

Jenkins 2.569 Release: Core Material Standardization and Logging Fixes

Tue, 16 Jun 2026 13:08:40 +0000

The Jenkins project has delivered version 2.569 as a weekly release tracking automated infrastructure operations and continuous execution frameworks. Published on June 16, 2026, this update focuses on stabilizing user interface elements across active control panels while fixing log streaming errors that impact data engineering workflows. SRE operators running large compute topologies will see improved predictability in executor status monitoring and log aggregation pipelines.

Jenkins 2.555.3 LTS - Build Persistence and Security Updates

Wed, 10 Jun 2026 12:52:28 +0000

Jenkins 2.555.3 was released on June 10, 2026. This LTS update fixes a critical regression where active builds were lost during job reloads. The release also modifies security defaults for symbolic link handling to ensure agent compatibility.

Jenkins 2.567 Release: Fixing AJAX Widget Navigation Context

Tue, 09 Jun 2026 14:56:14 +0000

The Jenkins project released version 2.567 on June 9, 2026, delivering a critical fix for navigation state within AJAX refreshed dashboard widgets. This update resolves a regression where links in the Build Queue and Build Executor Status sidebars would lose their view context during background updates. Operators relying on custom Jenkins views for monitoring complex build environments will find this release improves dashboard consistency and prevents broken navigation breadcrumbs.

Jenkins 2.566 Release: Improved Queue Performance and CSP Telemetry

Tue, 26 May 2026 07:50:27 +0000

The Jenkins project released version 2.566 on May 26, 2026. This weekly release focuses on core runtime performance and security observability for the automation controller. The primary technical improvement addresses reflection overhead within the build queue maintenance logic, while new telemetry capabilities provide better insights into security policy enforcement.