---
agentTools:
  projectIndex: https://docs.payb.is/llms.txt
---

# 2023-06-20

iOS SDK version 2.1.1 with the following major updates has been released:

1. **One-click checkout flow**:  partners can now initialize the SDK with the destination wallet, quote, and payment method, enabling users to bypass all other steps and proceed directly to the checkout (payment) process with a single click. Read more in [this article](https://paybis.readme.io/reference/one-click-checkout).
2. Exchange (Buy/Sell) form was moved to the first step in the user journey followed by authentication.  This  approach enhances  user satisfaction, and potentially increases conversion rates.
3. Zero Hash compliance updates.