* reference; instead use the reference this method <i>returns</i>. At runtime, these point to the
   * same instance, but only the returned reference has the correct generic type information to
   * ensure type safety. For best results, use the standard method-chaining idiom illustrated in the
   * class documentation above, configuring a builder and building your cache in a single statement.

 *  Fix: Retain the `Route` when a connection is reused on a redirect or other follow-up. This was
    causing some `Authenticator` calls to see a null route when non-null was expected.

 *  Fix: Use the correct key size in the name of `TLS_AES_128_CCM_8_SHA256` which is a TLS 1.3
    cipher suite. We accidentally specified a key size of 256, preventing that cipher suite from