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Please Keep OIO in Netty 5

Status: Open.

#17247 In netty/netty;

· GraalJS opened on Aug 9, 2026

io_uring: close() never completes when shutdownOutput() races an in-flight write

Status: Open.

#17237 In netty/netty;

· HwangRock opened on Aug 7, 2026

CleanerJava25 --initialize-at-build-time bypasses isSupported() probe on GraalVM 25 without -H:+SharedArenaSupport

Status: Open.

#17172 In netty/netty;

· gobalakrishnasridhar opened on Jul 29, 2026

Unpooled direct buffers on epoll receive path accumulate to MaxDirectMemorySize and are reclaimed only after Bits.reserveMemory triggers System.gc()

Status: Open.

#17150 In netty/netty;

· souravguptaoracle opened on Jul 27, 2026

Shutting down MultiThreadIoEventLoopGroup starts all unstarted threads

Status: Open.

#17135 In netty/netty;

· mega12345mega opened on Jul 24, 2026

Test Dashboard

Status: Open.

#17130 In netty/netty;

· testlens-app opened on Jul 23, 2026

netty-transport-classes-kqueue is missing GraalVM native-image metadata

Status: Open.

#17112 In netty/netty;

· emilienbev opened on Jul 21, 2026

Direct pool OOM again with netty 4.2.16

Status: Open.

#17107 In netty/netty;

· topEngineerRay opened on Jul 17, 2026

FlowControlHandler must provide an ensured message for each read request

Status: Open.

#17050 In netty/netty;

· ursaj opened on Jul 3, 2026

TTL DNS cache removal relies on Channel's EventLoop lifecycle

Status: Open.

#17042 In netty/netty;

· georgiev-kalin opened on Jul 2, 2026

DnsNameResolver clears all DnsCache entries, even if external DnsCache instance is provided to DnsNameResolverBuilder

Status: Open.

#17040 In netty/netty;

· georgiev-kalin opened on Jul 2, 2026

DnsAddressResolverGroup prevents future DNS resolution attempts for a hostname if client was terminated during resolution

Status: Open.

#17039 In netty/netty;

· georgiev-kalin opened on Jul 2, 2026