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Bazel 9 vs 4

Version Support Lifecycle Comparison

vs

Version 9

9
LTS
Active
Release Date2026-01-20
Support Ends-
EOL Date2028-12-31
Days Left896 days
Latest Version9.2.0

Version 4

4
LTS
End of Life
Release Date2021-01-21
Support Ends2022-01-19
EOL Date2024-01-31
Days LeftExpired 900 days ago
Latest Version4.2.4

💡 Upgrade Recommendation

9 currently has a longer support lifecycle. If you're using 4, keep an eye on its EOL date.

About Version Comparison

This page compares Bazel versions 9 and 4. Learn about each version's release date, support end date, and EOL (End of Life) date to make informed upgrade decisions.