When upgrading to this release, the install.admin.password must be set according to your current admin password before proceeding with the ./setup.sh upgrade step.
Excerpt
name
jvm-arguments-note
Panel
panelIconId
atlassian-warning
panelIcon
:warning:
bgColor
#FFBDAD#FFEBE6
Important!
If the existing installation has additional JVM argument configured prior to upgrade from 8.3, you need to check if they are obsolete in Java 17 and in that case remove them.