2025-12-21 Release of logback version 1.5.23
• In response to issues/959 file name collisions are detected at configuration time by analyzing the configuration file and no longer at run time. This avoids the ConcurrentModificationException reported in the issue.
• ZIP and XZ compression now use a BufferedOutputStream when writing to the compressed file. This issue was reported in issues/988.
• A bit-wise identical binary of this version can be reproduced by building from source code at commit 0bcc3fe associated with the tag v_1.5.23. Release built using Java "21" 2023-10-17 LTS build 21.0.1.+12-LTS-29 under Linux Debian 11.6.