As a member of the L-mount alliance, Sigma will definitely continue to contribute more and better mirrorless lenses to the L-mount. A few days ago, they published a new 28-300mm f/3.4-5.6 lens patent. The visual inspection is designed for the L mount, and of course the old friend E mount.
A Tianya lens like this is very suitable for buying and using by friends who travel the world. But as for when the lens will have an exterior picture and when it will be released or what the price will be, we can only wait for official news.