Okay so heres my theory on why Swiftenhaal (maybe) has a possibility of being a thing again
Exhibit A: WayTooHonest spilt some Lipton to disco and I over twitter a few months back, still trying to find it. Anyway the tea was that Taylor and Jake were both looking for apartments in Manhattan close to each other....purposely.
Low and Behold, Taylor has now purchased a Manhattan Apartment
Exhibit B: The stories of Taylor and Jake's virginity/breakup surfacing randomly 3-4 years later for no apparent reason.
Right around the time Jake "broke up" with his "girlfriend"
However, not long after that, Paula stepped down as Taylor's publicist. Was she testing the waters leaking that "story" to see what angle to play the reunion at?
Exhibit C: However, it seems Taylor is hell-bent on keeping an "IM SINGLE!1!!" image for right now, and rightfully so. She's mentioned so many times that shes single. Not to mention for the first time in forever, many dating rumors that cropped up last year were actually squashed by her publicity team. Since Paula is all about "Boys=publicity" and Taylor and Jake may seem to want to keep it on the DL. Since he "got back" with his "girlfriend" (Jake was always the private type anyways)
Exhibit D: This is a weak one, but she did away with the bangs officially not too long before the above started. The bangs she got cut not too long after the first breakup
Hard to stan for both, but I try to support Taylor where I can too. I've unfortunately never gotten to see Adele but I was very lucky to see Taylor live with Ed last year... simply amazing 
I hope you get to see Adele soon 
I'll hope the same for you and Taylor when she tours next 