Sourced from flask's releases.

3.1.2

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.

PyPI: https://pypi.org/project/Flask/3.1.2/ Changes: https://flask.palletsprojects.com/page/changes/#version-3-1-2 Milestone: https://github.com/pallets/flask/milestone/38?closed=1

• stream_with_context does not fail inside async views. #5774
• When using follow_redirects in the test client, the final state of session is correct. #5786
• Relax type hint for passing bytes IO to send_file. #5776

Sourced from flask's changelog.

Version 3.1.2

Released 2025-08-19

• stream_with_context does not fail inside async views. :issue:5774
• When using follow_redirects in the test client, the final state of session is correct. :issue:5786
• Relax type hint for passing bytes IO to send_file. :issue:5776

• 2c1b30d release version 3.1.2
• 1292419 Update GitHub Actions workflow for artifact handling (#5795)
• 4dd52ca Update GitHub Actions workflow for artifact handling
• 55c6255 update dev dependencies
• d8259eb use Jinja name consistently
• 38b4c1e refactor stream_with_context for async views (#5799)
• 9822a03 refactor stream_with_context for async views
• 49b7e7b security docs for TRUSTED_HOSTS (#5798)
• b228ca3 security docs for TRUSTED_HOSTS
• ff64079 update flask-talisman link
• Additional commits viewable in compare view

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