Changes in MySQL Enterprise Backup 26.10.0 (2026-10-20)

• Functionality Added or Changed

• Bugs Fixed

Functionality Added or Changed

• The LZMA library bundled in MySQL Enterprise Backup has been upgraded to version 26.02. (Bug #39663533)

Bugs Fixed

• Fixed an issue relating to null argument validation by the mysqlbackup page-tracking UDFs. (Bug #39633226)

  References: See also: Bug #29992328.

• A MySQL Enterprise Backup TTS restore using --skip-binlog could abort during copy-back and apply-log because it searched the target data directory rather than the backup metadata directory for backup_variables.txt. Errors were returned similar to the following:

  backup_variables.txt file is missing in --datadir=/var/lib/mysql/, --incremental 
  copy-back-and-apply-log could not be performed. The validation for lsn mismatch 
  between datadir and incremental backup could not be performed.

  (Bug #39178142)