Villagers "spam" doors by opening and closing them really fast

Can confirm. This also happens quite often during raids or when villagers try to get into their house when a bell is rung.

I've also experienced it in general, when villagers are just going about there business. It may have been when one villager is pushing another one or something, I just heard the door spam on several occasions.

Still happening on 1.14.2.  I know this isn't high priority, but I can upload a world where it happens frequently if needed,

In 1.14.4, they are fighting each other to get through 1 wide doors. You actually have to build doors in houses 2 wide or else they spend a lot of time trying to get through them.

https://www.twitch.tv/videos/468438296

Still present in 1.15.2 and the latest snapshot 20w16a

Including 1.16 RC1.  It's an absolute nightmare.  What's more, I created many buildings with double doors in an attempt to avoid this.  The villagers instead press up against one door, and 'ignore' the existence of the other, just standing outside all night long.  I can nudge them to the other open doorway and they immediate walk through.  But doing that manually for many villages every night is unacceptable.

I have this problem as well.  I first noticed it shortly after the Nether update.  It usually happens when two villagers are by the same door, but sometime it's just one villager.  I play on a Mac, if that makes any difference.

Piglins still do this in 20w30a. Reopen this bug!

Piglins are a different issue than the villages. You might want to open a new ticket for that

This is not resolved, far as I can tell and it's driving me completely bonkers. It seems now they only do it on double doors... I have a hallway with double doors on both sides and as such I get loops of "clickiticlickiticlickitylack" frequently...