Update parsers to 4.16.2 - #51
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…ing (zio#3173) PR zio#3174 stopped `AsyncBodyReader` from auto-reading after the consumer connects, but the `State.Buffering` window — used before the route handler first pulls the body — still returned `readMore = true` unconditionally. With request streaming enabled and an async handler, a fast client could fill the heap with `buffer0` bytes during the gap between `channelRead` and the handler calling `connect`. Gate the `Buffering` arm on a configurable cap (`Server.Config.requestBodyPreConnectBufferSize`, default 64 KB). Once the buffer reaches the cap, `ctx.read()` is no longer called; Netty's TCP back-pressure stalls the client until the consumer connects and the post-transition `ctx.read()` in `connect` resumes reading. Only the streaming path is affected — `RequestStreaming.Disabled` uses `HttpObjectAggregator` and never instantiates `AsyncBodyReader`.
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This was referenced May 10, 2026
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About this PR
📦 Updates org.scalameta:parsers from
4.14.7to4.16.2📜 GitHub Release Notes - Version Diff
Usage
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