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ureq v2.0.0-rc2 Release Notes

    • These changes are mostly already listed under 2.0.0.
    • Remove the "synthetic error" concept. Methods that formerly returned Response now return Result.
    • Rewrite Error type. Instead of an enum, it's now a struct with an ErrorKind. This allows us to store the source error when appropriate, as well as the URL that caused an error.
    • Move more configuration to Agent. Timeouts, TLS config, and proxy config now require building an Agent.
    • Create AgentBuilder to separate the process of building an agent from using the resulting agent. Headers can be set on an AgentBuilder, not the resulting Agent.
    • Agent is cheaply cloneable with an internal Arc. This makes it easy to share a single agent throughout your program.
    • There is now a default timeout_connect of 30 seconds. Read and write timeouts continue to be unset by default.
    • Add ureq::request_url and Agent::request_url, to send requests with already-parsed URLs.
    • Remove native_tls support.
    • Remove convenience methods options(url), trace(url), and patch(url). To send requests with those verbs use request(method, url).
    • Remove Request::build. This was a workaround because some of Request's methods took &mut self instead of mut self, and is no longer needed. You can simply delete any calls to Request::build.
    • Remove Agent::set_cookie.
    • Remove Header from the public API. The type wasn't used by any public methods.
    • Remove basic auth support. The API was incomplete. We may add back something better in the future.
    • Remove into_json_deserialize. Now into_json handles both serde_json::Value and other types that implement serde::Deserialize. If you were using serde_json before, you will probably have to explicitly annotate a type, like: let v: serde_json::Value = response.into_json();.
    • Rewrite README and top-level documentation.