JetBrains has released two bug-fix updates for TeamCity On-Premises: version 2026.1.2 and 2025.11.6. The 2026.1.2 update resolves over 10 issues including problems with the stop build command, Perforce personal builds failing during agent-side checkout, premature AWS credentials expiration, and AWS S3 bucket prefix signature mismatches. Version 2025.11.6 focuses exclusively on security fixes, with JetBrains strongly recommending installation to keep servers secure. Both versions support automatic update, direct download, or Docker image pull for upgrading.
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