Even the odd numbered TOS films have something going for them that they’re enjoyable enough for me. Search for Spock is definitely the best of them, but kind of just ends up being a “bottle episode” to explain why Spock is in #4. TMP is great but needs a tighter edit and more character moments. Final Frontier has the great character moments, and some great themes, but is filled with just too much silliness for it to really work.
Honestly, as time goes on, and I keep seeing what they’re doing with Trek now, those movies only get better and better.