The Lotuscript Editor may be only "Mostly Dead", not "Truly Dead" in the 8.5 beta

HCL Domino Domino Forum
1

The LS Editor is there – though not complete, not supported, and probably bugtastic. I was able to load in an LSS file with a couple of fairly rich classes and browse them at my pleasure.

http://planetlotus.org/272d4c