Cannot replicate thispreceptm wrote:The upgrade process isn't working properly when upgrading outdated sites. For example download a fresh 3.5.1 install from here directly from Joomla:
https://downloads.joomla.org/us/cms/joomla3/3-5-1
Install it and then upgrade to 3.8.0 through the Joomla Update component and then your entire backend won't load
No it is not Don't create panic by non-proven 'guesses'I have not tested all versions but I think anything 3.6.0 and less is effected by this.
Leo