Engineers here at Twitter are always looking for ways to increase efficiency and simplify our codebase. To that end, we’re deprecating HTTP 1.0 support for all streaming API endpoints. While our streaming API continues to grow, this version of the protocol is rarely used. Also, its successor (HTTP 1.1, introduced in 1999) offers features that are useful for streamed responses.

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Deprecating HTTP 1.0 for the Streaming API