const unicode.Version

2 uses

	unicode (current package)
		tables.go#L6: const Version = "15.0.0"

	golang.org/x/net/idna
		idna.go#L29: const unicode16 = unicode.Version >= "16.0.0"

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)