[pjb157]

🤖 I have created a release beep boop

2.0.0 (2026-10-23)

⚠ BREAKING CHANGES

• retire the serving-class presets, grants and default classes (#2068)
• limits: replace gateway rate limits with per-account realtime in-flight limits (#1915)
• onwards: frame SSE before applying buffer limit

Features

• account files carry priority, latency targets and prices (#2075) (a2f91a6)
• count the inference requests dwctl's own layers refuse (DW-851) (#1978) (b822bd0)
• dwctl: let slow first tokens stream until a 20-second failover deadline (#1808) (444ad7c)
• dwctl: record where a translated body fails its schema, without its content (DW-951) (#1991) (53b07dc)
• limits: cap batch requests in flight per model in onwards (#1924) (834827d)
• limits: count in-flight limit checks and refusals per account (#1957) (f6a7486)
• limits: name the account and report its limit on in-flight metrics (#1958) (72c6e97)
• limits: replace gateway rate limits with per-account realtime in-flight limits (#1915) (be53043)
• onwards: check legacy completions for unsupported parameters (DW-855) (#1996) (500873b)
• onwards: conversation affinity for priority pools (#1892) (b2ff624)
• onwards: count and log the requests onwards rejects itself (DW-851) (#1937) (98c234e)
• onwards: count sanitized third-party errors (#2054) (dc82a0b)
• onwards: flag chat parameters not every backend supports (#1925) (b2271fb)
• onwards: make AIMD share control decide under overload and recover (#1803) (8bb4a6f)
• onwards: record where a body fails the strict schema, without its content (DW-951) (#1990) (e1cb85a)
• onwards: send a scheduling priority on every dynamo request (#1848) (094fe22)
• onwards: stop logging rejections and unsupported parameters (#1963) (68315f4)
• onwards: trace rejections and stop logging caller-limit refusals (#1952) (f051e4c)
• overlay targets are scheduling hints, not a serving class (#2087) (4723cfa)
• responses: accept Codex tool namespace groups (#1935) (9d46bf7)
• serving classes v1 (#1774) (e1c9275)
• tracing: customer attributes on request and batch spans (#1972) (60db3ec)

Bug Fixes

• analytics: checkpoint records before enrichment (#1789) (7ed4000)
• answer unreadable request formats with 415, and count content types (DW-985) (#2083) (58e3a52)
• build: refresh the image CA bundle after eMudhra intermediate compromise (#2077) (ae3442c)
• Correctly handle otel tracing through onwards (#1827) (107d619)
• end interrupted streams with an error event (DW-851) (#1979) (843f421)
• give every response the gateway id and send streamed usage only on request (#1973) (ccb3919)
• keep API keys out of rate-limit and proxy debug logs (#1960) (43bf8e8)
• onwards: answer every capacity refusal with 529 and Retry-After (#1913) (8ca5e6d)
• onwards: frame SSE before applying buffer limit (5ebb4f1)
• onwards: give trusted providers' errors the OpenAI envelope (#1977) (8d2960e)
• onwards: return realtime-only failover statuses as sent when no provider is left (#1811) (2b954b9)
• onwards: stop re-asking overloaded providers and answer 429 when every provider is full (#1911) (ad19d05)
• preserve JSON key order in forwarded request bodies (#1930) (a8721a8)
• proxy: preserve upstream rate-limit responses (#1800) (8a2052b)
• set TCP_NODELAY on gateway sockets (#1931) (909a27e)

Performance Improvements

• onwards: share a pool's key set between requests (#1901) (18cd38c)
• tracing: filter and slim the spans sent to the trace backend (DW-931) (#1984) (4a07bb1)

Code Refactoring

• retire the serving-class presets, grants and default classes (#2068) (a28e3b3)

Miscellaneous

• deps: bump cmov from 0.5.3 to 0.5.4 (#1228) (4f328f6)
• deps: update rust docker tag to v1.99.1 (#2072) (a07b9de)

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🟢 Approval recommended

The release metadata and version updates are consistent, with no unresolved review issues.

Pull request overview

Releases Onwards version 1.2.1 with the upstream rate-limit response fix.

Changes:

• Adds the 1.2.1 changelog entry.
• Updates package and lockfile versions.
• Updates Release Please metadata.

File summaries

File	Description
onwards/CHANGELOG.md	Documents the 1.2.1 release.
onwards/Cargo.toml	Bumps the crate version.
Cargo.lock	Synchronizes the locked version.
.release-please-manifest.json	Records the released version.

Review details

• Files reviewed: 3/4 changed files
• Comments generated: 0
• Review effort level: Lite

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