[glompers]

The T Corona Borealis supernova will be closely monitored, possibly before long https://www.bbc.com/news/articles/c140exemgk7o.amp

[raattgift]

T CrB is a recurrent nova (RN), not a supernova (SN).

There is only a microscopic chance of the white dwarf member undergoing runaway fusion becoming a Type Ia SN. So microscopic it would be truly surprising astrophysically.