Announced quite a while back Hobby Boss is now set to release its 1/35 scale kit of the proposed WWII German tank hunter. Also for release is a 1/48 scale kit of Pz IV variant. Both kits are slated for June release.
This is partial text from the full article (usually with photos) at https://armorama.com/news/hobby-boss-jagdpanzer-lang-e-and-pz-kpfw--iv-ausf--f