Back to Bazel
Bazel 9 vs 4
Version Support Lifecycle Comparison
vs
Version 9
9
LTSActive
Release Date2026-01-20
Support Ends-
EOL Date2028-12-31
Days Left896 days
Latest Version9.2.0
Version 4
4
LTSEnd 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.