There were a few takes of the final shot, including one where Spock made a quite humorous joke, but undermined the tone.
And undoubtedly more to follow.
I browsed through this thread and I am not sure if I missed it but according to Nimoy he suggested a line in TMP where after McCoy says he will stay, Spock says
"If Dr. McCoy is to remain on board, my presence here will be essential" (I am Spock- pg 172)
I have not forgiven them for not including this perfect line. I don't care about the serious tone of the movie. It actually feels like the characters.
On another note I am super disappointed that the Sulu/ancestor scene didn't work out in TVH as it does sound really adorable.