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okhttp v3.6.0 Release Notes

  • 2017-01-29

    • Fix: Don't crash with a "cache is closed" error when there is an error initializing the cache.
    • Fix: Calling disconnect() on a connecting HttpUrlConnection could cause it to retry in an infinite loop! This regression was introduced in OkHttp 2.7.0.
    • Fix: Drop cookies that contain ASCII NULL and other bad characters. Previously such cookies would cause OkHttp to crash when they were included in a request.
    • Fix: Release duplicated multiplexed connections. If we concurrently establish connections to an HTTP/2 server, close all but the first connection.
    • Fix: Fail the HTTP/2 connection if first frame isn't SETTINGS.
    • Fix: Forbid spaces in header names.
    • Fix: Don't offer to do gzip if the request is partial.
    • Fix: MockWebServer is now usable with JUnit 5. That update [broke the rules][junit_5_rules].
    • New: Support Expect: 100-continue as a request header. Callers can use this header to pessimistically hold off on transmitting a request body until a server gives the go-ahead.
    • New: Permit network interceptors to rewrite the host header for HTTP/2. This makes it possible to do domain fronting.
    • New: charset support for Credentials.basic().