Question 1

What happens when Boundary reaches end of life?

Accepted Answer

When Boundary reaches end of life, it stops receiving security patches, bug fixes, and new features. Currently, 3 Boundary versions are already EOL. The latest supported version is Boundary 0.21. Running an EOL version exposes your systems to unpatched security vulnerabilities with no official fix available.

Question 2

Is Boundary 0.21 still supported?

Accepted Answer

Yes. Boundary 0.21 is actively supported. It receives security patches and bug fixes. Check the version table above for the full list of supported Boundary releases and their exact end-of-life dates.

Question 3

Is it safe to use Boundary after end of life?

Accepted Answer

No. Running Boundary after EOL is not safe for production systems. Once a version reaches end of life, newly discovered CVEs are published publicly but never patched — leaving your systems permanently exposed. The only safe path is upgrading to an actively supported Boundary release.

Question 4

How to upgrade from Boundary 0.18 to Boundary 0.x?

Accepted Answer

To upgrade Boundary from 0.18 to 0.21: (1) review the official migration guide for breaking changes, (2) test your application against the new version in a staging environment, (3) update dependencies that have version constraints, (4) run your full test suite, (5) deploy with a rollback plan. The earlier you start, the more time you have to resolve compatibility issues before EOL.

Question 5

When is the next Boundary LTS version?

Accepted Answer

Not all Boundary releases have a designated LTS status. Check the version table above — LTS releases are marked with an "LTS" badge. Refer to the official Boundary release policy for information on upcoming long-term support versions.

Question 6

How long does Boundary support each version?

Accepted Answer

On average, Boundary supports each release for approximately 13 months (~1.1 years).  The exact EOL date for each version is listed in the table above.

Version	Released	Active support	EOL date	Until EOL	Latest	CVEs	Status
0.21	Dec 11, 2025	—	No	—	0.21.3	—	Active
0.20	Sep 25, 2025	—	No	—	0.20.3	—	Active
0.19	Feb 10, 2025	—	No	—	0.19.5	—	Active
0.18	Oct 14, 2024	—	Dec 11, 2025	180d ago	0.18.2	—	EOL
0.17	Jul 31, 2024	—	Sep 25, 2025	257d ago	0.17.2	—	EOL
0.16	Apr 30, 2024	—	Feb 10, 2025	484d ago	0.16.3	—	EOL

Boundary End of Life Dates

Related technologies

Same category

Frequently Asked Questions