““Search partnerships” means “Google”, who made up 81% of Mozilla Corporation’s revenue in 2022.”
Google pays 81 percent of Mozilla’s bills while Chrome holds over 65 percent of the market. Mozilla takes donations for Thunderbird but offers no way to pay for Firefox, and its outgoing CEO collected $6.9 million in 2022. So the money goes to Ladybird, a browser with a first alpha planned for 2026. Mozilla would rather sell sponsored tiles than take its own users’ money.