Texturepacks button not appearing on the new snapshot

Can be found in-game under 'options'.

Thanks, but why is it not on the main menu?

Duplicate of MC-7635, please use the search function to see if your bug has already been submitted. Currently over 45% of tickets are being closed as duplicate.

So you can change your texturepacks in-game. 🙂

Cool 😃 that feature was avalible too in optifine mod! 🙂