5.3.0

Issues

• Investigate and fix io_uring HTTP/3 tests

  bug
  Bug

  eclipse-vertx/vert.x#6342 · Filter by author vietj opened on Sep 3, 2026 · 5.3.0

• Stream write result

  Unread
  eclipse-vertx/vert.x#6282·vietj opened Aug 4, 2026 · Updated Oct 20, 2026
  

• Support HTTP/2 / HTTP/3 extended connect.

  Unread
  eclipse-vertx/vert.x#6137·vietj opened May 28, 2026 · Updated Sep 11, 2026·Draft
  

• HTTP/3 support

  enhancement
  Feature

  eclipse-vertx/vert.x#5718 · Filter by author vietj opened on Sep 16, 2025 · 5.3.0
  

• feat: add per-connection attachment storage to HttpConnectionInternal

  Unread
  eclipse-vertx/vert.x#6235·Harshal96 opened Jul 8, 2026 · Updated Sep 18, 2026
  12

• Allow zero HTTP/2 keep-alive timeout

  bug
  Unread
  eclipse-vertx/vert.x#6214·shblue21 opened Jun 23, 2026 · Updated Sep 18, 2026
  1

• fix(dns): support bare IPv6 resolver addresses

  Unread
  eclipse-vertx/vert.x#6199·Harshal96 opened Jun 15, 2026 · Updated Sep 18, 2026
  1

• implement issue #6168 configure jackson 3 mapper

  Unread
  eclipse-vertx/vert.x#6183·bitkid opened Jun 11, 2026 · Updated Sep 18, 2026
  16

• Issue 5676: Introduced useTcpForFallbackDnsResolving

  Unread
  eclipse-vertx/vert.x#6116·cgm-aw opened May 18, 2026 · Updated Sep 18, 2026
  16

• Intermittent failures after tests migration

  bug
  Bug

  eclipse-vertx/vert.x#6115 · Filter by author tsegismont opened on May 13, 2026 · 5.3.0
  1

• Expose Netty ioHandler configuration

  enhancementhelp wanted
  Feature

  eclipse-vertx/vert.x#6105 · Filter by author tsegismont opened on May 5, 2026 · 5.3.0
  4

• VirtualThread(s) context lookup relies on ThreadLocal(s)

  bug
  Bug

  eclipse-vertx/vert.x#5817 · Filter by author franz1981 opened on Nov 25, 2025 · 5.3.0
  1

• Auto scaling early support

  enhancement
  Feature

  eclipse-vertx/vert.x#5774 · Filter by author vietj opened on Nov 3, 2025 · 5.3.0

• Enable DNS Resolving via TCP in case of Timeout

  enhancement
  Feature

  eclipse-vertx/vert.x#5676 · Filter by author cgm-aw opened on Aug 13, 2025 · 5.3.0
  11

• Verticles undeploy management

  Feature

  eclipse-vertx/vert.x#5672 · Filter by author nevenr opened on Aug 9, 2025 · 5.3.0
  3

• IoUring async file

  enhancement
  eclipse-vertx/vert.x#5510 · Filter by author franz1981 opened on Mar 9, 2025 · 5.3.0
  1

  

• Netty 4.2 enabled FileRegion support

  bug
  eclipse-vertx/vert.x#5409 · Filter by author franz1981 opened on Nov 28, 2024 · 5.3.0

• 'javax.security.cert.X509Certificate' is deprecated and marked for removal in JDK17

  bug
  eclipse-vertx/vert.x#5389 · Filter by author narendrab15 opened on Nov 14, 2024 · 5.3.0
  1

• Connection asynchronous operations should use the current context instead of the connection context

  enhancement
  eclipse-vertx/vert.x#5293 · Filter by author vietj opened on Sep 2, 2024 · 5.3.0
  

• HTTP trailers in requests

  enhancement
  eclipse-vertx/vert.x#5253 · Filter by author damianorenfer opened on Jul 19, 2024 · 5.3.0
  1

• Provide an option to wait for all currently-being-processed / currently-queued requests / events to complete before closing vertx

  enhancement
  eclipse-vertx/vert.x#5184 · Filter by author azurvii opened on Apr 11, 2024 · 5.3.0
  2

• Reduce the number of eventloops started by default

  enhancement
  eclipse-vertx/vert.x#5119 · Filter by author vietj opened on Feb 15, 2024 · 5.3.0
  3

• Update Netty version to allow retries with TCP on timeout

  enhancement
  eclipse-vertx/vert.x#5114 · Filter by author candicerimba opened on Feb 12, 2024 · 5.3.0
  3

• Consider removing NoStackTraceThrowable and NoStackTraceException

  enhancement
  eclipse-vertx/vert.x#5012 · Filter by author tsegismont opened on Dec 6, 2023 · 5.3.0
  1

• Future#fromCompletionStage(CompletionStage) with Context if it exists

  enhancement
  eclipse-vertx/vert.x#4978 · Filter by author magicprinc opened on Nov 26, 2023 · 5.3.0
  2