[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.ktor:ktor-server-test-host	3.6.0 → 3.6.1
io.ktor:ktor-server-auth	3.6.0 → 3.6.1
io.ktor:ktor-server-core	3.6.0 → 3.6.1
io.ktor:ktor-client-cio	3.6.0 → 3.6.1
io.ktor:ktor-client-core	3.6.0 → 3.6.1
io.ktor:ktor-server-netty	3.6.0 → 3.6.1

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Release Notes

ktorio/ktor (io.ktor:ktor-server-test-host)

v3.6.1

Compare Source

Published 29 October 2026

Improvements

• KTOR-10005 Native accepted TCP sockets do not enable TCP_NODELAY, unlike JVM
• KTOR-9966 Netty poor performance on delay calls
• KTOR-4206 The "com.typesafe.config.ConfigException$Missing" exception leaks from the typesafe config library when configuration is merged

Bugfixes

• KTOR-10037 CIO: keep-alive connection hangs when a response fails before writing any bytes
• KTOR-9969 Kotlin/Native CIO server occasionally closes an accepted connection with zero response bytes under CPU load
• KTOR-9974 CIO: close_notify is written concurrently with the last record, corrupting the TLS output and the kotlinx-io segment pool
• KTOR-9925 Resources: Constant sibling route loses to parameterized one when routes are split across separate authenticate blocks
• KTOR-9938 Apache5: streaming response hangs when the block returns before the body arrives
• KTOR-10023 Ktor 3.6.0 no longer throws BadRequestException for malformed paths
• KTOR-9986 HttpRedirect: a relative Location with dot segments is not normalized, so most engines send .. in the request path
• KTOR-10085 ETags: Ignore If-Modified-Since when If-None-Match is present
• KTOR-9430 DI: resources are not cleaned up during testing with testApplication
• KTOR-7175 Ktor-client, connections leak
• KTOR-9848 Android: The Android engine crashes with Unbalanced enter/exit on response read cancellation
• KTOR-9994 Android engine closes RawSourceChannel on the main thread and crashes with NetworkOnMainThreadException
• KTOR-9959 Sockets: CIO writer busy-loops when a nonblocking write returns zero
• KTOR-9970 Java: Cancelling a request before response headers does not abort the HTTP exchange
• KTOR-10006 OpenAPI: Compiler crash on local variable using object expression
• KTOR-9972 Android: DiskReadViolation when KtorSimpleLogger is initialized during plugin execution
• KTOR-9985 OpenAPI compiler plugin duplicates unrelated schemas (FooDTO -> FooDTO2) after adding new routes
• KTOR-2348 DoubleReceive: recursive receive pipeline re-entry when receiving content in a receivePipeline interceptor
• KTOR-9968 Test engine streaming responses hang when over 1MB
• KTOR-9894 Netty + Compression: response leaked when the client disconnects before the body is written
• KTOR-9987 WebSockets: Netty sometimes closes socket before sending close frame
• KTOR-9943 HttpStatement.execute can hang when its block abandons a response body
• KTOR-9980 CallLogging: MDC entries leak stale thread-local values when provider returns null
• KTOR-9790 testApplication: sseSession() never returns when the SSE route installs a heartbeat
• KTOR-9884 Directories are returned as empty binaries when using nested jars
• KTOR-4245 Code snippet in Kdoc for DefaultRequest doesn't compile
• KTOR-10035 WebSocket drops the queued Close frame when the server session fails
• KTOR-10036 testApplication: WebSocket client stops reading before the servers Close reply arrives

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[github-actions]

Bencher Report

Project	KGraphQL
Branch	renovate/ktor-monorepo
Testbed	ubuntu-latest

Click to view all benchmark results

Benchmark	Throughput	Benchmark Result operations / second (ops/s) (Result Δ%)	Lower Boundary operations / second (ops/s) (Limit %)
de.stuebingerb.kgraphql.FunctionExecutionBenchmark.benchmarkFunctionExecution	📈 view plot 🚷 view threshold	8,436,273.23 ops/s (+44.14%) Baseline: 5,852,911.88 ops/s	4,215,902.78 ops/s (49.97%)
de.stuebingerb.kgraphql.ParallelExecutionBenchmark.queryBenchmark	📈 view plot 🚷 view threshold	1.30 ops/s (+0.36%) Baseline: 1.30 ops/s	1.30 ops/s (99.37%)
de.stuebingerb.kgraphql.QueryBenchmark.executionError	📈 view plot 🚷 view threshold	37,342.19 ops/s (+93.04%) Baseline: 19,343.80 ops/s	8,649.87 ops/s (23.16%)
de.stuebingerb.kgraphql.QueryBenchmark.inputFromDocument	📈 view plot 🚷 view threshold	39,427.66 ops/s (+64.74%) Baseline: 23,933.92 ops/s	12,078.13 ops/s (30.63%)
de.stuebingerb.kgraphql.QueryBenchmark.inputFromVariable	📈 view plot 🚷 view threshold	39,029.94 ops/s (+67.85%) Baseline: 23,252.88 ops/s	11,732.49 ops/s (30.06%)
de.stuebingerb.kgraphql.QueryBenchmark.largeList	📈 view plot 🚷 view threshold	6.33 ops/s (+34.69%) Baseline: 4.70 ops/s	3.55 ops/s (56.17%)
de.stuebingerb.kgraphql.QueryBenchmark.largeListWithFragment	📈 view plot 🚷 view threshold	7.06 ops/s (+34.25%) Baseline: 5.26 ops/s	4.07 ops/s (57.70%)
de.stuebingerb.kgraphql.QueryBenchmark.manyChildren	📈 view plot 🚷 view threshold	289.47 ops/s (+56.70%) Baseline: 184.73 ops/s	112.46 ops/s (38.85%)
de.stuebingerb.kgraphql.QueryBenchmark.manyChildrenWithFragment	📈 view plot 🚷 view threshold	321.49 ops/s (+63.40%) Baseline: 196.75 ops/s	118.38 ops/s (36.82%)
de.stuebingerb.kgraphql.QueryBenchmark.manyDataChildren	📈 view plot 🚷 view threshold	9.22 ops/s (+3.44%) Baseline: 8.91 ops/s	8.69 ops/s (94.20%)
de.stuebingerb.kgraphql.QueryBenchmark.manyOperations	📈 view plot 🚷 view threshold	507.02 ops/s (+63.69%) Baseline: 309.75 ops/s	188.67 ops/s (37.21%)
de.stuebingerb.kgraphql.QueryBenchmark.manyOperationsWithFragment	📈 view plot 🚷 view threshold	515.45 ops/s (+62.79%) Baseline: 316.63 ops/s	193.80 ops/s (37.60%)
de.stuebingerb.kgraphql.QueryBenchmark.nestedObject	📈 view plot 🚷 view threshold	14,123.58 ops/s (+68.14%) Baseline: 8,399.69 ops/s	4,733.96 ops/s (33.52%)
de.stuebingerb.kgraphql.RequestCachingBenchmark.invalidRequest	📈 view plot 🚷 view threshold	247,445.14 ops/s (+65.36%) Baseline: 149,635.88 ops/s	98,670.51 ops/s (39.88%)
de.stuebingerb.kgraphql.RequestCachingBenchmark.largeRequest	📈 view plot 🚷 view threshold	15,850.10 ops/s (+81.27%) Baseline: 8,744.10 ops/s	4,868.43 ops/s (30.72%)
de.stuebingerb.kgraphql.RequestCachingBenchmark.smallRequest	📈 view plot 🚷 view threshold	23,013.73 ops/s (+81.55%) Baseline: 12,676.58 ops/s	6,541.85 ops/s (28.43%)
de.stuebingerb.kgraphql.SimpleExecutionOverheadBenchmark.benchmark	📈 view plot 🚷 view threshold	885,909.29 ops/s (+76.26%) Baseline: 502,618.32 ops/s	306,148.55 ops/s (34.56%)

🐰 View full continuous benchmarking report in Bencher