It looks fungal to me.

I have no clue what this might be, never seen anything like it - looks like eggs that have been attached to the branch and covered with something. If its a kiwi fruit vine rather than the decorative version, if no one else knows what this is, its probably worth asking these people

https://www.chrisbowers.co.uk/article/ultimate-guide-kiw-fruit/

When I found the site, a chat feature popped up with Can we help you, so looks like you could ask them.

Oh I'd ask Segourney Weaver, saw her tussle with something like it once.

looks fungal/slime mouldish to me too.

interesting.
have you tried cutting a small portion off and seeing what is inside. what's its texture/smell etc.

Thanks for the tips.

Looks like a split branch with a sap leak which solidified a while ago. Or a bird which pecked holes into the branch looking for insects or to have insects attracted to the sap to get a meal later on.

I am with the others , sap leaking

be interesting to find out if it is ?

Gg