h3js/h3 v2.0.1-rc.26

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🚀 Enhancements

• resolveDotSegments: Add mergeSlashes option (9581407)
• session: Default session cookie to SameSite=Lax (acf8d77)
• ⚠️ Escape interpolated values in html tagged template (#1459)
• readValidatedBody: Support readBody options (#1476)
• Add onDispose hook (#1488)
• defineValidatedHandler: Support async validation (#1491)
• sse: Allow returning EventStream directly from handlers (#1508)

🔥 Performance

• Single-scan fast-path guard for resolveDotSegments (#1458)
• cookie: Avoid quadratic chunked cookie parsing and header rebuilds (#1472)
• middleware: Precompose middleware chains (#1475)
• body-limit: Stream enforcement instead of pre-buffering (#1500)

🩹 Fixes

• resolveDotSegments: Preserve trailing slash on trailing dot segments (ca7de07)
• cookie: Dedup cookies with leading-dot / mixed-case domains (#1462)
• cors: Warn on credentials with null origin (#1464)
• Decode Basic-auth credentials as UTF-8 (#1463)
• proxy: forwardHeaders must not override framing headers (#1467)
• cookie: Cap chunk count in setChunkedCookie (#1469)
• cors: Set single-valued CORS headers instead of appending (#1466)
• auth: Harden basic-auth realm handling and credential timing (#1468)
• validate: Convert malformed JSON to 400 in validated-handler path (#1465)
• base: Collapse leading-slash run in all base-stripping sites (#1471)
• html: Make raw() trust marker unforgeable and hoist escape map (#1473)
• json-rpc: Use -32600 for valid-JSON non-object bodies (#1483)
• Only discard prepared headers for error responses (#1486)
• event-stream: Correct stream teardown on close and client disconnect (#1484)
• deprecated: Correct v1 signatures in the compat shim (#1492)
• response: Do not render non-Error throws as successful responses (#1485)
• event: Keep event.context and req.context as one reference (#1499)
• response: Absorb errors thrown in onResponse hook (4a32c1b)
• response: Route synchronous prepareResponse throws through the error pipeline (#1503)
• response: Keep content-length header for Uint8Array responses (#1504)
• response: Strip HEAD body when merging prepared headers into a mutable Response (#1490)
• response: Allow status and headers staged during the first stream chunk (#1512)

💅 Refactors

• request: ⚠️ Make x-forwarded-proto trust opt-in (#1461)
• event-stream: ⚠️ Drop autoclose option (#1495)
• sse: Promote EventStream to public API, deprecate createEventStream (#1509)

📖 Documentation

• Security caveats for cors, proxy, redirect, host and static utils (#1470)
• Explain event.url.pathname decoding (3f8b5bc)

🌊 Types

• Canonical RouteRules interface (#1474)
• Remove unused StaticAssetMeta.path (0b34e24)

🏡 Chore

• Update srvx to 0.12 (5eb0a01) (release notes)
• Update undocs (ba42947)

❤️ Contributors

• Pooya Parsa (@pi0)
• N0liu (@n0liu)
• G1mn
• Sandro Circi (@sandros94)
• Max (@onmax)