SuiteCRM 7 vs 8: differences and which version to start with

Hi, in addition to

i’d also pointing out that the Security Suite plugin isn’t yet compatible with SuiteCRM 8:
https://store.suitecrm.com/addons/securitysuite/compatibility
Its starter plan which is offering Filter search results by groups
could be a must.
Like @BastianHammer said, it depends on your business needs…