I 'm suddenly seeing very old ( a year old) posts of mine pop to the top in my G+ home feed; ha...

[G+_Rick D]

I'm suddenly seeing very old (>a year old) posts of mine pop to the top  in my G+ home feed; has Google changed something? 

[G+_Jared Budlong]

I assume there aren't any new comments or reshares on said post??

[G+_Jo Welde]

Nope, as far as I can see, the content is unchanged.

[G+_Jared Budlong]

Weird. Submit a bug report and see what happens?

[G+_Uncle Joe (Uncle Joe Hi]

Maybe the want to more closely mimic Facebook.