2026-07-23 Release of logback version 1.6.0
• Removed certain deprecated variables, methods, and classes. For the list of removed members see release_1.6.0.txt.
• In AsyncAppenderBase, the put(ILoggingEvent) method now has the protected modifier to allow access from derived classes. This change was requested by Thomas Skjølberg in pr#1053.
• Bump SLF4J dependency to version 2.0.18.
• See also the overview of the 1.6.x series.
• A bit-wise identical binary of this version can be reproduced by building from source code at commit b07adf3 associated with the tag v_1.6.0. The release was built using Java "21" 2023-10-17 LTS build 21.0.1.+12-LTS-29 under Linux Debian 11.6.