I have work in Local Environment. I had install multiple Magento version in my local environment. I have two Magento project of version 2.3.0 and 2.3.1. When I had Add one product in Mage231 project and I had run Mage230 project then Mage230 will display product in mini cart with same options and same Name. and when i will goto Checkout page it will display Me...
and Mage231 will work Properly.
What is Main issue..