As someone that worked for the spin out from GS, then got acquired by TR, then sold off to Blackstone, I wonder how much of our tech debt is still there for you to deal with 10 years later. :)
I haven't been at TR in 10+ years as well. AT TR, I mostly dealt with Eikon's pipeline for estimates, actuals and the like (IBES data) ingestion, querying and analytics. So can't say much, though some of my old colleagues still seem to be there.
I'm not sure if this is a coincidence or not, but today my github account was removed from the organisation... after 10 years.