As already explained by
@luftfluss, the rumour is that of the announcement of the Irix 45mm f/1.4, the photo version of the existing Irix Cine 45mm T/1.5:
Irix 45mm f/1.4 lens to be announced soon - Photo Rumors
A prototype of the Irix 45mm f/1.4 was showcased under glass at Photokina 2016, PhotoPlus 2016 and The Photography Show 2017 (Birmingham, March 2017). Since then, nothing until the announcement of the Cine version in October 2019 -the lens became available in January.
All Irix photo lenses so far (11mm f/4, 15mm f/2.4 and 150mm f/2.8 Macro) exist in Canon EF, Nikon F and
Pentax K mounts.