Russia was at least planning to launch a space-to-space laser back in 1987, but the prototype (essentially just a mass simulator, no lasers inside) failed on launch quite spectacularly https://en.wikipedia.org/wiki/Polyus_(spacecraft)

Russia also seems to have tested the release of a sub-satellite from another satellite, perhaps a precursor to a kinetic space-launched weapon.

https://www.scientificamerican.com/article/secretive-russian...