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# [Update] Mixin 3.9.x Version Update Notes

The latest version of **Mixin **has been released on **Google Play** and the **App Store**.
Below are the main updates included in this release.

## **Wallet**

### **[Android / iOS 3.9.0] Common Wallet Now Supports Bitcoin**

* Native **Bitcoin support** in Common Wallet
* Supports **Bitcoin transaction acceleration**
* Supports **Bitcoin transaction cancellation**
* **Free transfers between Mixin wallets** now also support Bitcoin

## **Frequently Asked Questions (FAQ)**

* Why can’t some Bitcoin transactions be accelerated or canceled?

If you have already performed an **acceleration** or **cancellation** operation on a Bitcoin transaction,
that transaction **cannot be accelerated or canceled again**.

This may occur if multiple transactions are submitted in a short period of time.

## **Related Documents**

* [【Campaign】Free Transfers Between Mixin Wallets](https://support.mixin.one/en/article/campaign-free-transactions-between-mixin-wallets-kozded/)
* [How to Transfer from Privacy Wallet to Common Wallet](https://support.mixin.one/en/article/how-to-withdraw-from-privacy-wallet-to-common-wallet-pzwg0j/)