Yes, as stated here: https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/comments/2815252243
and on the mod's Nexus page, various MW5 modding discords, and on the MW5 subreddit, all of those mechs got reworked and had massive changes made. The changes being made and the instructions on what to do before the release were clearly laid out in those posts that were made weeks before the update launched. Sorry to say, but if you didn't read it, that's on you.