Issues

• Logback doesn't pick config from -D flag from command line. Is this a design decision?

  qos-ch/logback#1071 · Filter by author ahmedmohiduet opened on Oct 2, 2026

• Upgrade Logback 1.6.3 fail to start spring boot application

  qos-ch/logback#1069 · Filter by author ceki opened on Sep 16, 2026

• Please backport remaining 2026 security fixes to the 1.3.x series (precedent: 1.3.16 / CVE-2025-11226)

  qos-ch/logback#1048 · Filter by author shankardgithub opened on Jul 8, 2026
  1

• Security report submitted via email on 2026-06-30 — awaiting acknowledgment

  qos-ch/logback#1047 · Filter by author garymao opened on Jul 8, 2026
  1

• Add support for OTLP

  qos-ch/logback#1044 · Filter by author ch4mpy opened on Jun 22, 2026
  1

• Logback can no longer monitor not-yet-existing included property files

  DONE
  Bug

  qos-ch/logback#1034 · Filter by author trathschlag opened on May 5, 2026
  2

  

• <condition> placed inside <if> is silently ignored, produces misleading "Janino not found" error

  qos-ch/logback#1024 · Filter by author freesoft opened on Mar 13, 2026

• fix CVE-2026-1225 to 1.3.x branch

  qos-ch/logback#1013 · Filter by author DmN-dev opened on Feb 3, 2026
  6

  

• Allow Encoder to use ByteBuffer

  qos-ch/logback#1005 · Filter by author belugabehr opened on Jan 22, 2026
  4

• including file from classpath produces unavoidable warning?

  qos-ch/logback#1001 · Filter by author makerMcl opened on Jan 16, 2026
  1

  

• Logback catching InterruptedException without re-interrupting the thread

  qos-ch/logback#998 · Filter by author xor-sandrinr opened on Jan 15, 2026

• deprecation warning for <if condition>

  qos-ch/logback#995 · Filter by author nehapawar9 opened on Jan 9, 2026
  3

• ConsoleAppender ignored in logback-access.xml

  IN_PROGRESS
  Bug

  qos-ch/logback#994 · Filter by author gomil opened on Jan 8, 2026 · 2.0.8
  2

  

• Extend thread context model

  qos-ch/logback#990 · Filter by author adrianhanda opened on Dec 26, 2025

• Keystore and Truststore passwords in plain text appearing in logs

  DONE
  Bug

  qos-ch/logback#986 · Filter by author cmrohila opened on Dec 11, 2025 · 1.5.22
  1

• Open up the JsonEncoder for subclassing?

  IN_PROGRESS
  Feature

  qos-ch/logback#979 · Filter by author Yaytay opened on Oct 20, 2025 · 1.5.21
  2

  

• Windows unclosed file handle bug introduced between 1.3.15 and 1.5.19 for FileAppender

  IN_PROGRESS
  Bug

  qos-ch/logback#975 · Filter by author theangrydev opened on Oct 13, 2025
  2

  

• Incorrect or corrupted CSV log lines when multiple cluster nodes write to the same log file with prudent mode enabled

  qos-ch/logback#973 · Filter by author Dushyant-GitHub opened on Oct 9, 2025
  3

• Upgrading from 1.2.x → 1.4.x breaks file reads in prudent mode

  qos-ch/logback#965 · Filter by author shreeramkulkarni opened on Sep 7, 2025

• Remove slowness warning in console appender

  IN_PROGRESS
  qos-ch/logback#958 · Filter by author maxxedev opened on Aug 4, 2025
  4

  

• version:1.5.18,Could not initialize Logback logging from classpath:logback-spring.xml

  qos-ch/logback#954 · Filter by author KaKaLuoTeSun opened on Jul 17, 2025
  2

  

• Documentation; "at most one <root> element" not true

  qos-ch/logback#953 · Filter by author dnsmkl2 opened on Jul 8, 2025

• Automatic reload does not work when path contains specific characters

  qos-ch/logback#950 · Filter by author dnl50 opened on Jun 27, 2025

• logback Upgrade Issue

  qos-ch/logback#948 · Filter by author nduduzokhomo opened on Jun 24, 2025

• Clarification on Time-Based Rollover Without Log Events in Logback

  qos-ch/logback#947 · Filter by author Dushyant-GitHub opened on Jun 23, 2025
  1