JumpStation, a search engine launched in 1993, was first announced on the "What's New" webpage of which discontinued web browser?
JumpStation:  It started indexing on Sunday 12 December 1993 and was announced on the Mosaic "What's New" webpage on 21 December 1993. Mosaic (web browser): NCSA Mosaic, or simply Mosaic, is a discontinued early web browser.
Mosaic