That’s a big one for the engineering world. Sounds like still has to be approved by FTC in US.

The software being sold off seems like all optics:

Synopsys had already reached an agreement to sell its Optical Solutions Group to Keysight, but now it will also sell its optics and photonics software such as Code V, LightTools, LucidShape, RSoft, and ImSym. Ansys will also divest PowerArtist, software that can analyze and optimize the power consumption of electronic circuits at a very granular level.