Issues

• DX Issue: Generated Message class name collides with quickfix.Message, causing confusion

  Bug

  quickfix-j/quickfixj#1335 · Filter by author dpetillo opened on Sep 26, 2026
  2

• Log pending messages

  Feature

  quickfix-j/quickfixj#1291 · Filter by author andreydp opened on Jul 30, 2026
  4

• Code duplication - checksum calculation

  Feature

  quickfix-j/quickfixj#1283 · Filter by author philipwhiuk opened on Jul 21, 2026
  2

• Release and nightly build should contain all FixLatest classes and fields

  Bug

  quickfix-j/quickfixj#1277 · Filter by author chrjohn opened on Jul 16, 2026
  2

  

• Reconnection hangs indefinitely when ConnectFuture fails or stalls through an HTTP proxy (IoSessionInitiator)

  Bug

  quickfix-j/quickfixj#1274 · Filter by author rishabhagl opened on Jul 3, 2026
  1

• System not trying second address

  Bug

  quickfix-j/quickfixj#1260 · Filter by author morvael opened on Jun 13, 2026
  18

• Security implications of remote DataDictionary download

  quickfix-j/quickfixj#1246 · Filter by author philipwhiuk opened on Jun 2, 2026
  3

• Session unable to re-establish logon after disconnect with large message backlog in MessageDispatchingThread queue

  Bug

  quickfix-j/quickfixj#1243 · Filter by author aolesek opened on May 28, 2026
  4

• Improve project setup in IDE

  quickfix-j/quickfixj#1200 · Filter by author chrjohn opened on May 1, 2026
  3

  

• Issue regarding Calendar.getFirstDayOfWeek() after upgrading to Java 21+

  Bug

  quickfix-j/quickfixj#1146 · Filter by author alexwibowo opened on Feb 23, 2026
  7

• Engine keeps running after stop() completes

  Bug

  quickfix-j/quickfixj#1128 · Filter by author Oribow opened on Feb 2, 2026
  3

• ResendRequest never re-sent after re-logon when previous request failed due to responder == null

  Bug

  quickfix-j/quickfixj#1114 · Filter by author RastlinLiu opened on Jan 13, 2026
  2

• Support for JDK 21 (or JDK25) and Virtual Threads

  Feature

  quickfix-j/quickfixj#1042 · Filter by author matadorr opened on Sep 17, 2025
  8

• Message classes should not be built if spec did not change

  Feature

  quickfix-j/quickfixj#1022 · Filter by author chrjohn opened on Jul 24, 2025
  6

• Messages are dropped when "NotInSession"

  Bug

  quickfix-j/quickfixj#986 · Filter by author viachaslau-lapitski opened on Jun 9, 2025
  4

• Session#verify is misleading

  Task

  quickfix-j/quickfixj#939 · Filter by author philipwhiuk opened on Feb 3, 2025
  1

• Add an interface for parsing raw data (byte[])

  Feature

  quickfix-j/quickfixj#932 · Filter by author bfjm opened on Jan 20, 2025
  2

• Resend range variables are not reset if the resend request is rejected

  Feature

  quickfix-j/quickfixj#888 · Filter by author vishwajit2 opened on Oct 3, 2024
  4

• Extra logging for fields when validation is disabled

  Feature

  quickfix-j/quickfixj#824 · Filter by author borkabu opened on Jun 14, 2024
  10

• MessageFactory returns null - create(FIX5.0SP2, AE, 457) instead of an instance of NoUnderlyingSecurityAltId group

  Bug

  quickfix-j/quickfixj#822 · Filter by author ishabandi67 opened on Jun 7, 2024
  1

• Add WriteBack Message Store Wrapper For Large-Scale Traffic

  Feature

  quickfix-j/quickfixj#749 · Filter by author ChoiJunsik opened on Jan 7, 2024
  5

• Configuration parameter ValidateUnorderedGroupFields not working when the field order of a repeating block nested within another repeating block

  Feature

  quickfix-j/quickfixj#668 · Filter by author chandimasi opened on Aug 21, 2023
  3

• During a ResendRequest the request for messages from storage allows for unbounded memory usage

  Bug

  quickfix-j/quickfixj#639 · Filter by author philipwhiuk opened on Jun 1, 2023
  4

• Support unsigned 64-bit integers for sequence numbers

  Feature

  quickfix-j/quickfixj#621 · Filter by author JohnGreenan opened on Mar 13, 2023
  9

• JdbcStore.storeSequenceNumbers throws exception that is never recovered from

  Bug

  quickfix-j/quickfixj#613 · Filter by author techdiver opened on Feb 23, 2023
  2