If you're unable to find the specific 2022 update, consider looking for the most recent edition of the Traveller core rulebook. The game has a dedicated fanbase, and materials are generally well-supported with new releases and updates.
It is worth noting why demand for this PDF remains high. The 2022 update won multiple ENNIE Awards in 2023, including "Best Rules" and "Product of the Year" for the related Traveller Starter Set . Players on Reddit (r/traveller) and the Mongoose forums consistently rank the 2022 update as the most "mechanically tight" version of the game since Traveller: The New Era . traveller+core+rulebook+update+2022+pdf+anyflip