Lightning 5.8. for SeaMonkey by FRG

I got 2 German Lightning (calendar) versions for Windows from Frank-Rainer Grahl, you can download them here:

2019-03-30__lightning-5.8.dex64.zip
2019-03-30__lightning-5.8.dex86.zip

Unfortunately I currently have no information for which SeaMonkey versions these Lightnings are suitable,I asked frg to leave a comment here.