Kbin/Fediverse Question

I'm new at the fediverse and really confused. Whenever I view magazines/communities on my kbin.social account, different posts show up than when I view on an account from a lemmy instance. Is this by design? Also viewing magazines/communities on my kbin account show very old posts. How can I see newer posts? #kbinMeta

https://kbin.social/m/kbinMeta/t/129262

"The magazine from the federated server may be incomplete. Browse more on the original instance."

Anyone know why I keep getting this message when I try to access a community/magazine through kbin? #kbinMeta

https://kbin.social/m/kbinMeta/t/50154

Nato meeting fails to approve first defence plans since Cold War, Turkey blamed

A diplomat said Turkey blocked approval of the plans over the wording of geographical locations, including with regard to Cyprus.

https://www.straitstimes.com/world/europe/nato-meeting-fails-to-approve-first-defence-plans-since-cold-war-turkey-blamed