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drogonR 0.1.6

• dr_rate_limit(app, capacity, window, type, scope, routes) — per-route or shared rate limit (sliding / fixed window or token bucket); over-budget requests get HTTP 429 + Retry-After from the I/O thread before R is involved.
• New vignette rate-limiting.Rmd.

drogonR 0.1.5

• Streaming responses: dr_stream(next_chunk, state, ...) returns HTTP chunked responses driven by an R generator pumped on the main R thread, with a cancelled = TRUE cleanup contract on client disconnect.
• dr_stream_sse(generator, ...) convenience wrapper that formats Server-Sent Events frames (multi-line data is split per the SSE spec) and adds the Cache-Control: no-cache / X-Accel-Buffering: no headers expected by typical SSE clients.
• New vignette streaming.Rmd with the threading caveats and end-to- end examples.

drogonR 0.1.4

• Path parameters in routes: dr_get("/users/:id", ...). Three placeholder syntaxes are accepted interchangeably — :name, <name>, {name} — and exposed to handlers as a named character vector in req$params.
• Response helpers: dr_text(), dr_html(), dr_redirect(), dr_file(). dr_file() auto-detects the MIME type from a built-in table covering ~25 common extensions, supports download_as = ... for Content-Disposition: attachment, and warns/errors on oversized loads (>50MB / >500MB).
• Windows source-portability: replaced the POSIX pipe(2) / fcntl(2) wakeup mechanism with a loopback TCP socketpair on Windows. (Full Windows binary build is still pending.)

drogonR 0.1.3

• Fast-path handlers: bypass R-side tryCatch/middleware, registering directly in C++. Hits 147k req/s (2.5x boost).
• dr_json(): new C++ walker for basic types replaces jsonlite. Hits 118k req/s (12x boost) with silent fallback.
• Stable workers: switched from mcparallel (fork) to processx (spawn). Fixes later fds and sink stack issues in tests; ensures a clean R state for each worker.

drogonR 0.1.2

• Multi-process workers: dr_serve(workers = N) spawns N forked R workers sharing the listening port via SO_REUSEPORT.
• on_worker_start callback in dr_serve() for per-worker initialization (load models, open per-worker resources).
• dr_status() reports the live worker pids of a multi-process serve.
• dr_serve(max_queue = N) bounds the request queue and rejects excess requests with HTTP 503, providing backpressure under overload.

drogonR 0.1.0

Initial development release.

• High-performance HTTP server for R, backed by the Drogon C++ framework.
• Bundled, statically-linked Drogon, Trantor and JsonCpp sources — no external installation of Drogon is required.
• Optional HTTPS support: when OpenSSL development headers are detected by the configure script (via pkg-config or a manual search), the package is built with TLS enabled. Otherwise it falls back to a plain-HTTP build with a single message at install time.
• --with-openssl / --without-openssl flags can force the choice (passed via R CMD INSTALL --configure-args=...).
• Portable UUID generation using <random> instead of libuuid, removing the system dependency on Linux.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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