**Fixed** - Handling broken environments with a graceful exception with a detailed error message.
3.6.0
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**Added** - Support for qh3 version 1.0.0 This qh3 release enable a greater flexibility by dropping cryptography. We had to adapt the OCSP code as we relied on cryptography. HTTP/3 experience is greatly improved.
**Changed** - urllib3.future lower bound constraint has been raised to version 2.7.904 to ensure support for the last qh3 release.
**Fixed** - Improved compatibility with third party mocking tool that are bound to requests. - OCSP check did not warn if the HTTP server responded with a non 2xx response in strict mode.
3.5.5
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**Added** - Support for Happy Eyeballs. This feature is disabled by default, you must pass `happy_eyeballs=True` within your session constructor or http adapter in order to leverage this.
**Fixed** - Missed close implementation in AsyncSession causing the underlying poolmanager to remain open. - Additional OCSP requests (following a redirect) did not use specified custom DNS resolver.
**Changed** - urllib3.future lower bound constraint has been raised to version 2.7.900 for the newly added happy eyeballs feature.
3.5.4
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**Added** - Support to verify the peer certificate fingerprint using `verify=...` by passing a string using the following format: `verify="sha256_748c76348778cb4a536e7ec12bc9aa559c12770bd1419c7ffe516006e1dea0ec"`. Doing so disable the certificate usual verification and only checks for its fingerprint match.
**Fixed** - Multiplexed request in async did not support awaitable in hooks. - Setting `verify=...` and `cert=...` then change it for the same host did not apply to the underlying (existing) connection pool.
**Misc** - Overall performance improvements in both async and sync requests. - Update pre-commit dependencies (ruff, pyupgrade, and mypy). - Fixed SessionRedirect in tests that produced an incomplete Response instance that wasn't suitable for tests.
3.5.3
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**Fixed** - A rare error that occurs on PyPy, especially on Windows, complaining about a missing release call.
**Misc** - Allow latest dependencies version for httpbin, Flask and werkzeug in tests. - Remove wheel from test dependencies.
3.5.2
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**Fixed** - ImportError in an attempt to retrieve `ConnectionInfo`.