Bazel EOS & EOL timeline

Check Bazel end-of-support (EOS), end-of-life (EOL), release and extended-support dates. Compare versions and plan your next upgrade.

• 9LTS

  Supported
  1. ReleasedJan 20, 2026
  2. End of life (EOL)Dec 31, 2028

  End of support (EOS)

  Not announced

  Extended support

  Not announced

• 8LTS

  Maintenance only
  1. ReleasedDec 9, 2024
  2. End of support (EOS)Jan 20, 2026
  3. End of life (EOL)Dec 31, 2027

  Extended support

  Not announced

• 7LTS

  Ending soon
  1. ReleasedDec 11, 2023
  2. End of support (EOS)Dec 9, 2024
  3. End of life (EOL)Dec 31, 2026

  Extended support

  Not announced

• 6LTS

  End of life
  1. ReleasedDec 19, 2022
  2. End of support (EOS)Dec 11, 2023
  3. End of life (EOL)Dec 31, 2025

  Extended support

  Not announced

• 5LTS

  End of life
  1. ReleasedJan 19, 2022
  2. End of support (EOS)Dec 19, 2022
  3. End of life (EOL)Jan 31, 2025

  Extended support

  Not announced

• 4LTS

  End of life
  1. ReleasedJan 21, 2021
  2. End of support (EOS)Jan 19, 2022
  3. End of life (EOL)Jan 31, 2024

  Extended support

  Not announced

Support milestones: end of support = Active Support; end of life = Security Support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.