Panasonic will soon have a full line of five fast (f/1.8) prime Lumix S lenses for Leica L-mount (35mm f/1.8 announced, 18mm f/1.8 coming next) - Leica Rumors
Sigma E-Mount Lens Guide – SonyAlphaLab
Fuji announces new line of cinema lenses for Sony E mount, teases two new X-series lenses for 2018
L-Mount Lenses Roadmap 2022 - New Lenses & Release Dates
Sony FE Lens Roadmap 2022: New Lenses Release Dates
Best Sony lenses 2022: 16 top lenses for Sony mirrorless cameras | TechRadar
Olympus' 2020 Roadmap - PDN Online
Updated (?) A7 lens roadmap: Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review
Sigma rumored to be 'actively working on' RF-mount lens road map for 2020 announcement: Digital Photography Review
The L-mount Lens roadmaps from Panasonic, Sigma and Leica - mirrorlessrumors
Sony E-mount lenses ― from the ultra-high performing Art line. | SONY E- mount | Others Lenses | Magazines | SIGMA Corporation
New Fujifilm X Mount Lens Roadmap adds Three New Prime Lenses
Upcoming Nikkor Z mirrorless lenses according to the latest roadmap (total of 30 Z lenses by March 2022) - Nikon Rumors
Sigma updates L-mount lens roadmap through 2020: Digital Photography Review