This is more directed to the xbox version, but im guessing it applies to PS as well:
Are they separated by current/last gen consoles, or are they merged?
English
#Destiny
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XB1 and XB series X/S play together. Ps4 and PS5 play together. X360 and PS3 are separated. This is due to content differences as the X360 and PS3 never has the Rise of Iron dlc.