Changelog for grubby-8.40-64.el9.x86_64.rpm :

* Wed Jan 10 2024 Marta Lewandowska - 8.40-64- Do not overwrite all vars that start with GRUB_CMDLINE_LINUX- Resolves: #RHEL-21301
* Tue Feb 21 2023 Marta Lewandowska - 8.40-63- remove root= when not copying default- Resolves: #2127453
* Tue Feb 15 2022 Robbie Harwood - 8.40-62- Apply Marta\'s default args fix- Resolves: #2127453