dependabot[bot] opened a new pull request, #25: URL: https://github.com/apache/dubbo-go-extensions/pull/25
Bumps [dubbo.apache.org/dubbo-go/v3](https://github.com/apache/dubbo-go) from 3.3.1 to 3.3.2. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/apache/dubbo-go/releases";>dubbo.apache.org/dubbo-go/v3's releases</a>.</em></p> <blockquote> <h2>v3.3.2</h2> <h2>3.3.2</h2> <h3>Summary</h3> <p>Apache Dubbo-go 3.3.2 is a production-readiness release focused on API consolidation, Triple protocol capabilities, application-level metadata, service governance, concurrency safety, and release tooling. It completes the removal of the legacy <code>config</code> package, moves the project baseline to <strong>Go 1.25</strong>, expands generic invocation and HTTP-facing Triple features, refreshes generated-project workflows, and fixes multiple races, stale-snapshot issues, and resource leaks.</p> <h3>Breaking Changes and Upgrade Notes</h3> <ul> <li><strong>Go 1.25 is now required.</strong> The module and project toolchain have moved from Go 1.24 to Go 1.25. <a href="https://redirect.github.com/apache/dubbo-go/pull/3469";>#3469</a></li> <li><strong>The legacy <code>dubbo.apache.org/dubbo-go/v3/config</code> package has been removed.</strong> Applications that imported it directly must migrate to the instance/options APIs and configuration types under <code>global</code>. The root compatibility bridge has also been removed. <a href="https://redirect.github.com/apache/dubbo-go/pull/3372";>#3372</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3448";>#3448</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3449";>#3449</a></li> <li><strong>Direct users of the low-level <code>triple_protocol.Client</code> API must pass the RPC method explicitly.</strong> The higher-level <code>client.Client</code> and generated-client APIs remain unchanged. <a href="https://redirect.github.com/apache/dubbo-go/pull/3086";>#3086</a></li> <li><strong>The Hystrix filter has moved to <code>apache/dubbo-go-extensions</code>.</strong> Existing users should import the extension implementation and keep using the registered filter name. <a href="https://redirect.github.com/apache/dubbo-go/pull/3253";>#3253</a></li> <li>The legacy gRPC and Dubbo3 protocol implementations and the IDL-mode switch are now deprecated in preparation for a future removal. <a href="https://redirect.github.com/apache/dubbo-go/pull/3469";>#3469</a></li> </ul> <h3>New Features</h3> <ul> <li><strong>Expand generic invocation support.</strong> Triple generic calls can now interoperate without generated stubs, with new <code>protobuf-json</code> and <code>bean</code> generalizers, typed invocation, class metadata, and exception-class handling. <a href="https://redirect.github.com/apache/dubbo-go/pull/3154";>#3154</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3170";>#3170</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3171";>#3171</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3174";>#3174</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3175";>#3175</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3183";>#3183</a></li> <li><strong>Enhance Triple for HTTP and cloud-native workloads.</strong> This release adds CORS, REST OpenAPI support, stateful HTTP/3 negotiation with probe and cooldown, mounting existing HTTP handlers on a Triple listener, and unary response header/trailer capture through call options. <a href="https://redirect.github.com/apache/dubbo-go/pull/3090";>#3090</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3280";>#3280</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3281";>#3281</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3301";>#3301</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3443";>#3443</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3446";>#3446</a></li> <li><strong>Add Kubernetes health probes.</strong> Applications can expose liveness, readiness, and startup checks. <a href="https://redirect.github.com/apache/dubbo-go/pull/3213";>#3213</a></li> <li><strong>Rework graceful shutdown.</strong> The shutdown lifecycle now coordinates consumers, providers, registries, and acknowledgements through a unified implementation and configurable shutdown state. <a href="https://redirect.github.com/apache/dubbo-go/pull/3235";>#3235</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3293";>#3293</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3386";>#3386</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3388";>#3388</a></li> <li><strong>Strengthen application-level metadata.</strong> The release completes the local metadata lifecycle, makes metadata state concurrency-safe, clarifies metadata-report selection, canonicalizes revisions, adds renewal and garbage collection, and hardens remote loading with report-to-RPC fallback and conflict-aware service-to-application mapping updates. <a href="https://redirect.github.com/apache/dubbo-go/pull/3357";>#3357</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3362";>#3362</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3367";>#3367</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3369";>#3369</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3370";>#3370</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3371";>#3371</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3373";>#3373</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3395";>#3395</a></li> <li><strong>Improve routing and governance.</strong> Static router configuration injection, script-router registration, router-chain snapshot caching, and additional routing context are now supported. <a href="https://redirect.github.com/apache/dubbo-go/pull/3215";>#3215</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3224";>#3224</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3252";>#3252</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3305";>#3305</a></li> <li><strong>Improve observability.</strong> A context-aware logger interface integrates trace fields with Logrus and Zap, logger initialization now synchronizes the public Dubbo-go facade, and Triple metrics distinguish additional RPC failure conditions. <a href="https://redirect.github.com/apache/dubbo-go/pull/3189";>#3189</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3195";>#3195</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3345";>#3345</a></li> <li>Expose snapshots of <code>CustomConfig</code> and <code>InstanceOptions</code> for applications that need to inspect resolved instance configuration. <a href="https://redirect.github.com/apache/dubbo-go/pull/3481";>#3481</a></li> </ul> <h3>Bug Fixes and Reliability</h3> <ul> <li>Fix races across URL cloning, shared extension registries, metadata state, protocol lifecycle, Nacos and directory state, consistent hashing, round-robin load balancing, sticky invokers, and service-discovery listeners. <a href="https://redirect.github.com/apache/dubbo-go/pull/3160";>#3160</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3264";>#3264</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3265";>#3265</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3269";>#3269</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3270";>#3270</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3271";>#3271</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3307";>#3307</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3317";>#3317</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3367";>#3367</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3435";>#3435</a> <a href="https://redirect.githu b.com/apache/dubbo-go/pull/3439">#3439</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3442";>#3442</a></li> <li>Respect cancellation and timeouts while dialing Triple HTTP/2 connections and validate Getty server TLS configuration before enabling SSL. <a href="https://redirect.github.com/apache/dubbo-go/pull/3156";>#3156</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3165";>#3165</a></li> <li>Preserve Go/Java Triple interoperability with case-insensitive method routing that does not duplicate or pollute service metadata. <a href="https://redirect.github.com/apache/dubbo-go/pull/3277";>#3277</a></li> <li>Fix routing correctness for context attachments, provider tags, application names and URL attributes, affinity-router initialization, and invalid script-router configuration updates. <a href="https://redirect.github.com/apache/dubbo-go/pull/3164";>#3164</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3185";>#3185</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3208";>#3208</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3216";>#3216</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3256";>#3256</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3417";>#3417</a></li> <li>Prevent panics during concurrent invoker destruction and avoid a server startup deadlock caused by holding the server lock while blocking in <code>Serve</code>. <a href="https://redirect.github.com/apache/dubbo-go/pull/3184";>#3184</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3238";>#3238</a></li> <li>Reconcile initial Nacos and Polaris subscription state so stale providers are removed when current registry snapshots arrive. <a href="https://redirect.github.com/apache/dubbo-go/pull/3479";>#3479</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3482";>#3482</a></li> <li>Fix retained URL state and clean up pending remoting responses on request errors and heartbeat timeouts to prevent memory growth. <a href="https://redirect.github.com/apache/dubbo-go/pull/3282";>#3282</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3440";>#3440</a></li> <li>Preserve multiple Nacos providers and routable environment metadata, keep application tags in <code>MetadataInfo</code>, and retain Apollo context paths when building configuration-center addresses. <a href="https://redirect.github.com/apache/dubbo-go/pull/3309";>#3309</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3331";>#3331</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3400";>#3400</a></li> <li>Preserve OpenTelemetry <code>traceparent</code> values and fix the metadata supplier type mismatch that broke trace propagation. <a href="https://redirect.github.com/apache/dubbo-go/pull/3285";>#3285</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3433";>#3433</a></li> <li>Make Triple stream response closure non-blocking and harden protocol initialization, metadata headers, trailer attachments, and Getty write error handling. <a href="https://redirect.github.com/apache/dubbo-go/pull/3307";>#3307</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3418";>#3418</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3428";>#3428</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3434";>#3434</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3466";>#3466</a></li> <li>Fix generic invocation of variadic methods and add warnings for unsupported or ambiguous variadic RPC definitions. <a href="https://redirect.github.com/apache/dubbo-go/pull/3284";>#3284</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3294";>#3294</a></li> <li>Prevent JSON-RPC nil-pointer panics for unsupported content types and missing exporters. <a href="https://redirect.github.com/apache/dubbo-go/pull/3298";>#3298</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3312";>#3312</a></li> <li>Make consistent hashing use the configured <code>hash.arguments</code> indexes and accept non-string request arguments without panicking. <a href="https://redirect.github.com/apache/dubbo-go/pull/3430";>#3430</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3432";>#3432</a></li> <li>Add bounded exponential-backoff retries for Nacos subscriptions and failback cluster retries. <a href="https://redirect.github.com/apache/dubbo-go/pull/3178";>#3178</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3180";>#3180</a></li> </ul> <h3>Performance and Engineering</h3> <ul> <li>Refactor the low-level Triple client from one client per method to one client per service, reducing managed client instances from O(methods) to O(1) per service. <a href="https://redirect.github.com/apache/dubbo-go/pull/3086";>#3086</a></li> <li>Reduce allocations in <code>common.URL</code> cloning, string rendering, equality checks, map conversion, and key construction. <a href="https://redirect.github.com/apache/dubbo-go/pull/3399";>#3399</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3403";>#3403</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3404";>#3404</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3412";>#3412</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3488";>#3488</a></li> <li>Reduce temporary allocations in load-balancing and service-discovery hot paths, and add fast paths for Triple content-type canonicalization. <a href="https://redirect.github.com/apache/dubbo-go/pull/3410";>#3410</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3414";>#3414</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3415";>#3415</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3416";>#3416</a></li> <li>Remove the Viper dependency and continue decoupling runtime components from legacy configuration internals. <a href="https://redirect.github.com/apache/dubbo-go/pull/3323";>#3323</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3449";>#3449</a></li> <li>Add a Linux/RISC-V build check and update security-sensitive and networking dependencies. <a href="https://redirect.github.com/apache/dubbo-go/pull/3244";>#3244</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3368";>#3368</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3467";>#3467</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3470";>#3470</a></li> </ul> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/apache/dubbo-go/blob/main/CHANGELOG.md";>dubbo.apache.org/dubbo-go/v3's changelog</a>.</em></p> <blockquote> <h2>3.3.2</h2> <h3>Summary</h3> <p>Apache Dubbo-go 3.3.2 is a production-readiness release focused on API consolidation, Triple protocol capabilities, application-level metadata, service governance, concurrency safety, and release tooling. It completes the removal of the legacy <code>config</code> package, moves the project baseline to <strong>Go 1.25</strong>, expands generic invocation and HTTP-facing Triple features, refreshes generated-project workflows, and fixes multiple races, stale-snapshot issues, and resource leaks.</p> <h3>Breaking Changes and Upgrade Notes</h3> <ul> <li><strong>Go 1.25 is now required.</strong> The module and project toolchain have moved from Go 1.24 to Go 1.25. <a href="https://redirect.github.com/apache/dubbo-go/pull/3469";>#3469</a></li> <li><strong>The legacy <code>dubbo.apache.org/dubbo-go/v3/config</code> package has been removed.</strong> Applications that imported it directly must migrate to the instance/options APIs and configuration types under <code>global</code>. The root compatibility bridge has also been removed. <a href="https://redirect.github.com/apache/dubbo-go/pull/3372";>#3372</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3448";>#3448</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3449";>#3449</a></li> <li><strong>Direct users of the low-level <code>triple_protocol.Client</code> API must pass the RPC method explicitly.</strong> The higher-level <code>client.Client</code> and generated-client APIs remain unchanged. <a href="https://redirect.github.com/apache/dubbo-go/pull/3086";>#3086</a></li> <li><strong>The Hystrix filter has moved to <code>apache/dubbo-go-extensions</code>.</strong> Existing users should import the extension implementation and keep using the registered filter name. <a href="https://redirect.github.com/apache/dubbo-go/pull/3253";>#3253</a></li> <li>The legacy gRPC and Dubbo3 protocol implementations and the IDL-mode switch are now deprecated in preparation for a future removal. <a href="https://redirect.github.com/apache/dubbo-go/pull/3469";>#3469</a></li> </ul> <h3>New Features</h3> <ul> <li><strong>Expand generic invocation support.</strong> Triple generic calls can now interoperate without generated stubs, with new <code>protobuf-json</code> and <code>bean</code> generalizers, typed invocation, class metadata, and exception-class handling. <a href="https://redirect.github.com/apache/dubbo-go/pull/3154";>#3154</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3170";>#3170</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3171";>#3171</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3174";>#3174</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3175";>#3175</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3183";>#3183</a></li> <li><strong>Enhance Triple for HTTP and cloud-native workloads.</strong> This release adds CORS, REST OpenAPI support, stateful HTTP/3 negotiation with probe and cooldown, mounting existing HTTP handlers on a Triple listener, and unary response header/trailer capture through call options. <a href="https://redirect.github.com/apache/dubbo-go/pull/3090";>#3090</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3280";>#3280</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3281";>#3281</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3301";>#3301</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3443";>#3443</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3446";>#3446</a></li> <li><strong>Add Kubernetes health probes.</strong> Applications can expose liveness, readiness, and startup checks. <a href="https://redirect.github.com/apache/dubbo-go/pull/3213";>#3213</a></li> <li><strong>Rework graceful shutdown.</strong> The shutdown lifecycle now coordinates consumers, providers, registries, and acknowledgements through a unified implementation and configurable shutdown state. <a href="https://redirect.github.com/apache/dubbo-go/pull/3235";>#3235</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3293";>#3293</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3386";>#3386</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3388";>#3388</a></li> <li><strong>Strengthen application-level metadata.</strong> The release completes the local metadata lifecycle, makes metadata state concurrency-safe, clarifies metadata-report selection, canonicalizes revisions, adds renewal and garbage collection, and hardens remote loading with report-to-RPC fallback and conflict-aware service-to-application mapping updates. <a href="https://redirect.github.com/apache/dubbo-go/pull/3357";>#3357</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3362";>#3362</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3367";>#3367</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3369";>#3369</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3370";>#3370</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3371";>#3371</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3373";>#3373</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3395";>#3395</a></li> <li><strong>Improve routing and governance.</strong> Static router configuration injection, script-router registration, router-chain snapshot caching, and additional routing context are now supported. <a href="https://redirect.github.com/apache/dubbo-go/pull/3215";>#3215</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3224";>#3224</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3252";>#3252</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3305";>#3305</a></li> <li><strong>Improve observability.</strong> A context-aware logger interface integrates trace fields with Logrus and Zap, logger initialization now synchronizes the public Dubbo-go facade, and Triple metrics distinguish additional RPC failure conditions. <a href="https://redirect.github.com/apache/dubbo-go/pull/3189";>#3189</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3195";>#3195</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3345";>#3345</a></li> <li>Expose snapshots of <code>CustomConfig</code> and <code>InstanceOptions</code> for applications that need to inspect resolved instance configuration. <a href="https://redirect.github.com/apache/dubbo-go/pull/3481";>#3481</a></li> </ul> <h3>Bug Fixes and Reliability</h3> <ul> <li>Fix races across URL cloning, shared extension registries, metadata state, protocol lifecycle, Nacos and directory state, consistent hashing, round-robin load balancing, sticky invokers, and service-discovery listeners. <a href="https://redirect.github.com/apache/dubbo-go/pull/3160";>#3160</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3264";>#3264</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3265";>#3265</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3269";>#3269</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3270";>#3270</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3271";>#3271</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3307";>#3307</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3317";>#3317</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3367";>#3367</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3435";>#3435</a> <a href="https://redirect.githu b.com/apache/dubbo-go/pull/3439">#3439</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3442";>#3442</a></li> <li>Respect cancellation and timeouts while dialing Triple HTTP/2 connections and validate Getty server TLS configuration before enabling SSL. <a href="https://redirect.github.com/apache/dubbo-go/pull/3156";>#3156</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3165";>#3165</a></li> <li>Preserve Go/Java Triple interoperability with case-insensitive method routing that does not duplicate or pollute service metadata. <a href="https://redirect.github.com/apache/dubbo-go/pull/3277";>#3277</a></li> <li>Fix routing correctness for context attachments, provider tags, application names and URL attributes, affinity-router initialization, and invalid script-router configuration updates. <a href="https://redirect.github.com/apache/dubbo-go/pull/3164";>#3164</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3185";>#3185</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3208";>#3208</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3216";>#3216</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3256";>#3256</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3417";>#3417</a></li> <li>Prevent panics during concurrent invoker destruction and avoid a server startup deadlock caused by holding the server lock while blocking in <code>Serve</code>. <a href="https://redirect.github.com/apache/dubbo-go/pull/3184";>#3184</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3238";>#3238</a></li> <li>Reconcile initial Nacos and Polaris subscription state so stale providers are removed when current registry snapshots arrive. <a href="https://redirect.github.com/apache/dubbo-go/pull/3479";>#3479</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3482";>#3482</a></li> <li>Fix retained URL state and clean up pending remoting responses on request errors and heartbeat timeouts to prevent memory growth. <a href="https://redirect.github.com/apache/dubbo-go/pull/3282";>#3282</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3440";>#3440</a></li> <li>Preserve multiple Nacos providers and routable environment metadata, keep application tags in <code>MetadataInfo</code>, and retain Apollo context paths when building configuration-center addresses. <a href="https://redirect.github.com/apache/dubbo-go/pull/3309";>#3309</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3331";>#3331</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3400";>#3400</a></li> <li>Preserve OpenTelemetry <code>traceparent</code> values and fix the metadata supplier type mismatch that broke trace propagation. <a href="https://redirect.github.com/apache/dubbo-go/pull/3285";>#3285</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3433";>#3433</a></li> <li>Make Triple stream response closure non-blocking and harden protocol initialization, metadata headers, trailer attachments, and Getty write error handling. <a href="https://redirect.github.com/apache/dubbo-go/pull/3307";>#3307</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3418";>#3418</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3428";>#3428</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3434";>#3434</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3466";>#3466</a></li> <li>Fix generic invocation of variadic methods and add warnings for unsupported or ambiguous variadic RPC definitions. <a href="https://redirect.github.com/apache/dubbo-go/pull/3284";>#3284</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3294";>#3294</a></li> <li>Prevent JSON-RPC nil-pointer panics for unsupported content types and missing exporters. <a href="https://redirect.github.com/apache/dubbo-go/pull/3298";>#3298</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3312";>#3312</a></li> <li>Make consistent hashing use the configured <code>hash.arguments</code> indexes and accept non-string request arguments without panicking. <a href="https://redirect.github.com/apache/dubbo-go/pull/3430";>#3430</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3432";>#3432</a></li> <li>Add bounded exponential-backoff retries for Nacos subscriptions and failback cluster retries. <a href="https://redirect.github.com/apache/dubbo-go/pull/3178";>#3178</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3180";>#3180</a></li> </ul> <h3>Performance and Engineering</h3> <ul> <li>Refactor the low-level Triple client from one client per method to one client per service, reducing managed client instances from O(methods) to O(1) per service. <a href="https://redirect.github.com/apache/dubbo-go/pull/3086";>#3086</a></li> <li>Reduce allocations in <code>common.URL</code> cloning, string rendering, equality checks, map conversion, and key construction. <a href="https://redirect.github.com/apache/dubbo-go/pull/3399";>#3399</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3403";>#3403</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3404";>#3404</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3412";>#3412</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3488";>#3488</a></li> <li>Reduce temporary allocations in load-balancing and service-discovery hot paths, and add fast paths for Triple content-type canonicalization. <a href="https://redirect.github.com/apache/dubbo-go/pull/3410";>#3410</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3414";>#3414</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3415";>#3415</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3416";>#3416</a></li> <li>Remove the Viper dependency and continue decoupling runtime components from legacy configuration internals. <a href="https://redirect.github.com/apache/dubbo-go/pull/3323";>#3323</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3449";>#3449</a></li> <li>Add a Linux/RISC-V build check and update security-sensitive and networking dependencies. <a href="https://redirect.github.com/apache/dubbo-go/pull/3244";>#3244</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3368";>#3368</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3467";>#3467</a> <a href="https://redirect.github.com/apache/dubbo-go/pull/3470";>#3470</a></li> </ul> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/apache/dubbo-go/commit/cdda54be1f353e372a80940729cdb380702c325e";><code>cdda54b</code></a> docs: add Dubbo-Go 3.3.2 changelog (<a href="https://redirect.github.com/apache/dubbo-go/issues/3588";>#3588</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/144d127e099545880756f9d92efd15942f744a8a";><code>144d127</code></a> fix: update dubbogo CLI templates for Dubbo-Go 3.3 (<a href="https://redirect.github.com/apache/dubbo-go/issues/3587";>#3587</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/a62a44a266c63c00e9d22a2c018b4fdccae1dab1";><code>a62a44a</code></a> update tools (<a href="https://redirect.github.com/apache/dubbo-go/issues/3585";>#3585</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/53d81d17c0f658b7151fb8c44f0d80371ef047e7";><code>53d81d1</code></a> chore: prepare the release for version 3.3.2 (<a href="https://redirect.github.com/apache/dubbo-go/issues/3469";>#3469</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/5e87b0673f70273e1986e3b9508f7ea007a88fb2";><code>5e87b06</code></a> fix(registry): add lock protection for serviceListeners map access (<a href="https://redirect.github.com/apache/dubbo-go/issues/3442";>#3442</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/0f71ba09e67bcaf84a089ae098965c93c933ed57";><code>0f71ba0</code></a> fix(cluster): eliminate data race on StickyInvoker with atomic.Value (<a href="https://redirect.github.com/apache/dubbo-go/issues/3439";>#3439</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/110bd656c49979d31cf5ddd3fee79c39de384d9a";><code>110bd65</code></a> fix(polaris): reconcile initial subscribe snapshot (<a href="https://redirect.github.com/apache/dubbo-go/issues/3482";>#3482</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/e2eb0c451b9843c9a6f59f8598aea3ea4d7f4d50";><code>e2eb0c4</code></a> perf(common): optimize IsEquals and ToMap to reduce allocations (<a href="https://redirect.github.com/apache/dubbo-go/issues/3488";>#3488</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/bcd6aa42be158b28f969e7669c43ae8f543ac7e5";><code>bcd6aa4</code></a> fix triple unary response metadata (<a href="https://redirect.github.com/apache/dubbo-go/issues/3446";>#3446</a>)</li> <li><a href="https://github.com/apache/dubbo-go/commit/1360af3fe710e0c5a3a0d8c7e687e9e3c0549e7f";><code>1360af3</code></a> style: clean up minor review issues (<a href="https://redirect.github.com/apache/dubbo-go/issues/3484";>#3484</a>)</li> <li>Additional commits viewable in <a href="https://github.com/apache/dubbo-go/compare/v3.3.1...v3.3.2";>compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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