Pinning (HPKP) This tells the browser to authenticate with the server using only the specific certificate key to prevent MITM attacks. Warning Be careful when enabling this, as it is very difficult to [https://github.com/pallets/flask/pull/3232] The flask run command no longer fails if Python is not built with SSL support. Using the --cert option will show an appropriate error message. #3211 [https://github.com system. This broke compatibility with the common case of people putting binary data for token verification into the session. Fixed an issue where registering the same method twice for the same endpoint

Pinning (HPKP) This tells the browser to authenticate with the server using only the specific certificate key to prevent MITM attacks. Warning: Be careful when enabling this, as it is very difficult to testing.EnvironBuilder. #3232 • The flask run command no longer fails if Python is not built with SSL support. Using the --cert option will show an appropriate error message. #3211 • URL matching now system. This broke compatibility with the common case of people putting binary data for token verification into the session. • Fixed an issue where registering the same method twice for the same endpoint