Issues

• Kotlin/Native CIO server occasionally closes an accepted connection with zero response bytes under CPU load

  ktorio/ktor#5922 · Filter by author bnvinay92 opened on Oct 5, 2026

• OpenAPI compiler plugin duplicates unrelated schemas (FooDTO -> FooDTO2) after adding new routes

  ktorio/ktor#5895 · Filter by author mavyfaby opened on Sep 21, 2026
  1

• Improve documentation: logging authenticated user information from Authentication principal to MDC

  ktorio/ktor#5894 · Filter by author urosjarc opened on Sep 18, 2026
  1

• CertificatePinner (Darwin): pin match still fails with -1200 because completionHandler receives nil proposedCredential

  ktorio/ktor#5871 · Filter by author munir700 opened on Sep 11, 2026

• Add for HttpClientEngine abstract method "networkExceptionToKtorException"

  ktorio/ktor#5761 · Filter by author GazimSoliev opened on Jul 17, 2026
  1

• [Feature Request] First-class request deadline propagation plugin for Ktor Client and Server

  ktorio/ktor#5737 · Filter by author orelvis15 opened on Jul 7, 2026

• [Feature Request] JPMS Modularize Ktor

  ktorio/ktor#5735 · Filter by author dasTanmoy0096 opened on Jul 7, 2026
  1

• Add support for ldaps://

  ktorio/ktor#5649 · Filter by author fkromer opened on May 20, 2026
  1

• 3.4.3 regression: embedded Netty handler issuing httpClient.get() that 302s back to localhost no longer delivers original response to browser

  ktorio/ktor#5589 · Filter by author javac9 opened on May 8, 2026
  1

• Flaky: CIOHttpServerTest.testCanModifyRequestBody on mingwX64

  ktorio/ktor#5478 · Filter by author e5l opened on Mar 19, 2026

• Flaky test: ContentTest.testEmptyContent times out on mingwX64

  ktorio/ktor#5477 · Filter by author e5l opened on Mar 19, 2026

• Flaky test: TestApplicationTest.testStreamingResponse race condition on mingwX64

  ktorio/ktor#5476 · Filter by author e5l opened on Mar 19, 2026

• Flaky test: DarwinEngineTest.testRequestInRunBlockingDispatchersDefault times out on CI

  ktorio/ktor#5475 · Filter by author e5l opened on Mar 19, 2026

• Flaky: HttpTimeoutTest.testGetRequestTimeoutWithSeparateReceivePerRequestAttributes on linuxX64

  ktorio/ktor#5473 · Filter by author e5l opened on Mar 19, 2026
  2

• Flaky: TestApplicationTest.testStreamingResponse on mingwX64

  ktorio/ktor#5472 · Filter by author e5l opened on Mar 19, 2026

• Flaky: RateLimitTest.testRemovesUnusedRateLimitersOnRefill on mingwX64

  ktorio/ktor#5471 · Filter by author e5l opened on Mar 19, 2026

• Flaky: ContentTest.testEmptyContent on macosX64 and mingwX64

  ktorio/ktor#5470 · Filter by author e5l opened on Mar 19, 2026

• Flaky: CIOWebSocketTest.testCorruptFrameWithBadOpcode EADDRINUSE on linuxX64

  ktorio/ktor#5463 · Filter by author e5l opened on Mar 19, 2026

• Flaky: DarwinEngineTest/DarwinLegacyEngineTest timeout on macOS

  ktorio/ktor#5462 · Filter by author e5l opened on Mar 19, 2026

• Flaky: HttpTimeoutTest failures across multiple native platforms

  ktorio/ktor#5461 · Filter by author e5l opened on Mar 19, 2026

• Flaky: CurlWebSocketTests timeout on linuxX64

  ktorio/ktor#5460 · Filter by author e5l opened on Mar 19, 2026

• Flaky: TCPSocketTest failures on Native (linuxX64, mingwX64)

  ktorio/ktor#5459 · Filter by author e5l opened on Mar 19, 2026

• Suggestion: Promote Gradle Version Catalogs in Ktor Documentation and Project Generator

  documentationtriaged
  Feature

  ktorio/ktor#5261 · Filter by author Kotlin-GDE opened on Dec 19, 2025
  1

  

• ClassNotFoundException for UserAgent plugin with R8 enabled (Ktor 3.3.2)

  wait for response
  ktorio/ktor#5240 · Filter by author tristanjung1006 opened on Dec 6, 2025
  1

• JVM(Desktop) Ktor client request.body<T>() Release Proguard catch

  ktorio/ktor#5082 · Filter by author 3-BodyCoding opened on Sep 12, 2025
  1