Furthermore, security is a concern. Older software has unpatched vulnerabilities that modern malware could theoretically exploit, though this is less of a risk for offline production machines.
Illustrator always allows (usually up to 3–5 versions back). Example: adobe illustrator previous versions
Hey creatives! Did you know that Adobe Illustrator has been around since 1987? That's over 35 years of evolution! Furthermore, security is a concern