Why quantity increment plugin removed ? pls help with alternative

Same problem here, i found it at github
https://github.com/woocommerce/WooCommerce-Quantity-Increment

Today I released this plugin, because I wasn’t happy with any other existing solution:

https://www.ads-software.com/plugins/qty-increment-buttons-for-woocommerce/

It provides high quality of design and very clean backend – no template overriding or jQuery button generation. I eliminated multiple styling problems troubling other plugins.