Just a random rant: I used to do FPGA work for a living, and I remember Xilinx's ISE (Vivado before they renamed it and the company got bought by AMD) was Windows-only, but the first thing that popped up when starting it was a Cygwin window :D
Well, currently if you want to run the last version of Xilinx ISE 14.7* in Windows, Xilinx will have you download a linux VM to do so (14.7 was originally supported on Windows, but support was dropped after it broke).
On a side note: ISE was discontinued in 2013, but AMD only announced the acquisition in 2020, so I found it strange that those events appear to be linked in your comment?
*ISE is still required for any FPGAs older than 7 (like Virtex/Spartan 6).
