This is the Flask 3.1.3 security fix release, which fixes a security issue but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.
3.1.2
2025-08-19
⚠ Potential breaking changes
This is the Flask 3.1.2 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.
3.1.1
2025-05-13
⚠ Potential breaking changes
This is the Flask 3.1.1 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.
3.1.0
2024-11-13
⚠ Potential breaking changes
Drop support for Python 3.8. #5623
Fix how setting `host_matching=True` or `subdomain_matching=False` interacts with `SERVER_NAME`. Setting `SERVER_NAME` no longer restricts requests to only that domain. #5553
3.0.3
2024-04-07
No breaking-change keywords detected in release notes.
3.0.2
2024-02-03
⚠ Potential breaking changes
This is a fix release for the 3.0.x feature release branch. It fixes bugs but does not otherwise change behavior and should not result in breaking changes.
3.0.1
2024-01-18
No breaking-change keywords detected in release notes.
3.0.0
2023-09-30
No breaking-change keywords detected in release notes.