11.0.0

List view

Incoming request stats are somewhat confusing

HTTP

Incompatible

Metrics

Stale

Status: Open.

#12254 In apache/trafficserver;

· bryancall opened on May 22, 2025

11.x: Rename some enabled configs to mode

11.0.x

Configuration

Incompatible

Logging

TLS

Status: Open.

#12412 In apache/trafficserver;

· bneradt opened on Aug 1, 2025

ATS plugins are too tolerant of loading bad configs

Bug

header_rewriteheader_rewrite pluginheader_rewrite plugin

Plugins

regex_remapregex_remap pluginregex_remap plugin

Status: Open.

#12660 In apache/trafficserver;

· traeak opened on Nov 12, 2025

☂ Migrate remaining configuration files to YAML format

Configuration

Umbrella

Status: Open.

#12753 In apache/trafficserver;

· bneradt opened on Dec 11, 2025

ATS11: Remove slow log feature

Cleanup

HTTP

HTTP/2

Logging

Status: Open.

#12870 In apache/trafficserver;

· bryancall opened on Feb 9, 2026

Log field sshv and csshv take 16 bytes for each

Incompatible

Logging

Status: Open.

#12891 In apache/trafficserver;

· maskit opened on Feb 17, 2026

fix cancel/accept race in NetAccept that causes EBADF abort

Network

Threads

Status: Open (in progress).

apache/trafficservernumber 12925

#12925 In apache/trafficserver;

· JakeChampion opened on Feb 27, 2026

Expose cache directory header metadata as stats (create_time, cycle count)

Cache

Metrics

Status: Open.

#12920 In apache/trafficserver;

· bryancall opened on Feb 26, 2026

SERVER_CLOSE milestone set before UA_BEGIN_WRITE on transform path causes negative o_body

Bug

HTTP

Logging

Transform

Status: Open.

#12942 In apache/trafficserver;

· bryancall opened on Mar 5, 2026

Consolidate and modernize ATS logging: unify log files, timestamps, and naming

Logging

New Feature

Status: Open.

#12944 In apache/trafficserver;

· bryancall opened on Mar 5, 2026

Reverse DNS (PTR) lookup for raw IP origins causes ~5s latency on every request including cache hits

Bug

Cache

DNS

HostDB

HTTP

Parent Proxy

Status: Open.

#12980 In apache/trafficserver;

· bryancall opened on Mar 17, 2026

Support replay-only AuTest YAML tests

AuTest

Enhancement

Tests

Status: Draft (not ready).

apache/trafficservernumber 13035

#13035 In apache/trafficserver;

· bneradt opened on Mar 28, 2026

Add changelog generation tool for GitHub milestones

Tools

Status: Open (in progress).

apache/trafficservernumber 13063

#13063 In apache/trafficserver;

· cmcfarlen opened on Apr 6, 2026

Per-thread FD tables via unshare(CLONE_FILES) for ET_NET threads

Performance

Threads

Status: Draft (not ready).

apache/trafficservernumber 13086

#13086 In apache/trafficserver;

· c-taylor opened on Apr 13, 2026

Avoid Stripe Mutex lock contention for RWW

Cache

Performance

Status: Open (in progress).

apache/trafficservernumber 12794

#12794 In apache/trafficserver;

· masaori335 opened on Jan 9, 2026

header_rewrite: fix set-body origin replacement across hooks and transforms

header_rewriteheader_rewrite pluginheader_rewrite plugin

TS API

Status: Open (in progress).

apache/trafficservernumber 13116

#13116 In apache/trafficserver;

· bryancall opened on Apr 23, 2026

virtualhost.yaml with remap rules

Configuration

Status: Open (in progress).

apache/trafficservernumber 13108

#13108 In apache/trafficserver;

· serrislew opened on Apr 20, 2026

hrw4u: disallow inbound.url.{} as an operator

header_rewriteheader_rewrite pluginheader_rewrite plugin

Status: Open (in progress).

apache/trafficservernumber 13121

#13121 In apache/trafficserver;

· mlibbey opened on Apr 27, 2026

Remove last_open_read memory cache feature

Cache

Cleanup

Status: Open.

#13095 In apache/trafficserver;

· masaori335 opened on Apr 17, 2026

Add to API to get a strategy during TSRemapNewInstance

Plugins

strategy

Status: Open (in progress).

apache/trafficservernumber 12593

#12593 In apache/trafficserver;

· traeak opened on Oct 21, 2025

[TS API] Add plugin API for config reload framework

Config Reload

Configuration

Plugins

TS API

Status: Open (in progress).

apache/trafficservernumber 13146

#13146 In apache/trafficserver;

· brbzull0 opened on May 8, 2026

Convert ink_queue implementation to std::atomic

Cleanup

Core

Tests

Status: Open (in progress).

apache/trafficservernumber 13170

#13170 In apache/trafficserver;

· JosiahWI opened on May 18, 2026

esi: replace _findOpeningTag with memchr

esiesi pluginesi plugin

Status: Open (in progress).

apache/trafficservernumber 13173

#13173 In apache/trafficserver;

· pixitha opened on May 18, 2026

refactor: Refactor CompileParseRules.cc for type safety, modern C++, and documentation

Cleanup

Status: Open (in progress).

apache/trafficservernumber 13196

#13196 In apache/trafficserver;

· grahamsedman opened on May 23, 2026

hrw4u: Fix u4wrh set-config emitting 3-arg form with HRW type hint

hrw4u

Status: Open (in progress).

apache/trafficservernumber 13208

#13208 In apache/trafficserver;

· Clendenin opened on May 27, 2026