Hello There! I took the time to assemble this thinking that Boba Fett might appear this season. Also after seeing a lot of comments on people wanting Boba Fett to re-appear, I took the time to assemble all the info we have on him being in this season.

Temuera Morrison rehearsing lines at the Beach:

https://www.reddit.com/r/TheMandalorianTV/comments/ymctoi/everyone_at_this_beach_in_hawaii_yesterday/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

CCXP Attendee Saying Boba Fett Appears In The Second Trailer (Has Been Claimed As Fake):

https://twitter.com/leiaorganajedi/status/1598733383453974528?t=cYfKZvpNFx1BDPZqn_650w&s=19

Star Wars Hong Kong Twitter Takes Down Boba Fett Being In The Mandalorian Season 3 (Scroll Up To See A Screenshot Of The Post):

https://twitter.com/bobafettfanclub/status/1629705872002924545?cxt=HHwWgoDS0eS28J0tAAAA

Lucasfilm commissioned a poster for Mando S3 That Has Boba Fett On It:

https://twitter.com/bobafettfanclub/status/1639336061062250497

Star Wars Hong Kong takes down Boba Fett being in The Mandalorian Season 3 on Facebook:

https://m.facebook.com/starwarshongkong/posts/pfbid02yrADjJUjwoALnTMb8x2amM9cSouPmNQSWhyRMsK5wfW4wMQn2NcVq7fgKJyfZvMwl?__tn__=-R&wtsid=rdr_0HgQcFITDJ5fQdFCZ

Brendan Wayne Pointing To Boba Fett In Mando S3 With Interview:

[Boba Fett is the] best kind of friend you can ever have, you know you can count on the guy when you need him, and sometimes you don’t even know you need him and he comes.

https://www.starwarsnewsnet.com/2023/03/the-mandalorian-stunt-double-brendan-wayne-teases-whats-to-come-in-season-3.html

Brendan Wayne’s Instagram Teasing Finale Of Mando S3, Possibly Hinting At Boba Fett With The “This Next Episode Is Gonna Make You Wish You Hadn’t Asked For More…”

https://www.reddit.com/r/TheMandalorianTV/comments/12jw3e7/brendan_wayne_just_posted_this_and_now_im_really/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

Dave Filoni Thinks Fans Will Be Cheering During The Mandalorian Season 3 Finale:

“They’ll have a lot to take in, and I think with any good ending there’s the moment you’re in it when you’re cheering and you feel satisfied, but then there’s a little bit after that where you think back at all the things that happened. Maybe you start to put them together in a different way and you realize it’s an ending, but there are other things happening out there in the galaxy that now you know more about.”

https://www.starwarsnewsnet.com/2023/04/dave-filoni-comments-on-the-mandalorian-season-3-finale-and-thinks-fans-will-be-cheering.html

Finally Rick Famuyiwa Who Directed The Finale Said It Will Bring Resolution To The Mandalorian AND The Book Of Boba Fett:

https://collider.com/the-mandalorian-season-3-finale-rick-famuyiwa-comments/

Also Temuera Morrison Voiced The Clones Chasing Kelleran Beq So He Could Have Been On Set For Boba Fett As Well.