Modpacks cached multiple times if multiple clients connect
send_ruleset_choices() caches modpacks. It does that every time it's called, so if multiple clients connect (or same client multiple times), it will add same modpacks to cache multiple times.
send_ruleset_choices() caches modpacks. It does that every time it's called, so if multiple clients connect (or same client multiple times), it will add same modpacks to cache multiple times.