Itch.io is having to switch hosting providers sometime in the next three months, and that's going to act like clearing your browser storage: you'll lose your current saves.

So if you're playing long-form #InteractiveFiction or other web games that save to the browser, here's a little thing that should let you download your data and restore it after the switchover... https://crocmiam.itch.io/itch-localstorage-export-import

(Itch's post on the subject is here: https://itch.io/t/3099694/notice-for-html-game-devs-upcoming-change-to-cdn-domain)

#GameDev

(Edit: to be clear, this isn't mine; I'd like to think I would have seen it eventually but Florian Cargoët spotted the possibility and implemented it almost immediately)