rustls/rustls v/0.21.7

on GitHub

• Fixes interoperability bug where Rustls servers would not properly echo the session_id in HelloRetryRequest messages as was done for ServerHello messages.
• WebPkiVerifier now stores an Arc<RootCertStore>.
• Documentation for the computational expense required to build client and server configurations has been clarified to emphasize this is cheap with the exception of gathering certificates from a platform trust root store.

What's Changed

• Backport Arc server roots + non-expensive configs to rel-0.21 by @djc in #1416
• Backport Echo session_id in HRR by @cpu, @ctz in #1425
• rustls v0.21.7 release prep by @cpu in #1425

Full Changelog: v/0.21.6...v/0.21.7