Any oscar wins you were happy about?

Olivia Colman. Gary Oldman. Christoph Waltz.

Probably easier to name the ones not happy about. Braveheart for instance

Sean Connery in The Untouchables.  As he's my favorite actor, and, up until that year, I was of the opinion that no matter how good he ever is, he will never get an Oscar nomination, I was naturally happy.

Julianne Moore and Leonardo DiCaprio.

Halle Berry too.

I was delighted by Olivia Colman's win. Such a well-deserved surprise, and her hilarious acceptance speech. I love her movie The Favourite.

Mark Rylance. His performance in Bridge of Spies is the quiet kind where it is all going on under the surface. That is satisfying to me when the Academy recognizes it.

Last year I cheered when Brad Pitt won for Once Upon A Time In Hollywood.

very happy for Shakespeare in Love.
Worthy winner.

I have always been completely neutral to who wins the Oscars.

I accept most of them also.

One that I would not have accepted would have been if Francis McDormand had NOT won for Fargo. I'm not sure if I rooted for a character more in my film history than Marge Gunderson (excepting historical characters, I would not have enjoyed seeing Oskar Schindler losing). A performance that make me that caring deserved a kudo or two

... two great performances. 

For me, I would say Clint Eastwood receiving Best Picture and Best Director Oscars for Million Dollar Baby in February 2005, since he had been up for those awards the previous year with Mystic River, only to not receive them.

I would also cite Moonlight garnering Best Picture four years ago over the far more pedestrian La La Land. Unfortunately, the embarrassing mix up distracted from the film itself and took some of the luster off the award, as did the "Oscars So White" racial controversy that surely caused some people to view Moonlight as an affirmative action pick. Instead, the film proved genuinely great (one of two among 2016 releases in my view, along with Sully), but this sort of suspicion will now linger, not just with Moonlight but others moving forward. What Hollywood—and social justice advocates—should actually focus on is the diversity of the Academy itself and equal opportunity within the various moviemaking trades, not the Oscar results, which are perpetually dubious or debatable irrespective of race, gender, or any other social category. 

To the inverse question, I was displeased by Coco receiving the Best Animated Feature Oscar three years ago over the far more ambitious and moving Loving Vincent. I liked Coco quite a bit, seeing it twice in the theater, but Loving Vincent—which I viewed four times in the theater—existed on another level, both artistically and emotionally. In this case, racial politics probably did play a role, and in any event the matter now shadows various selections. 

I didn't know he'd gotten an honorary Oscar (or did I forget?)  They should have had him at the main event.  They underestimate how much to that audience of us adults Harryhausen meant to us when we were growing up.