> ## Documentation Index
> Fetch the complete documentation index at: https://uasdev.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Find Particle Network's SDKs and APIs' updates.

## August, 2024

### August 23, 2024

* **New Feature:** *Passkey for Smart Account* - A new method to sign transactions without the need for a private key.
* **Smart Account Update:** Introduced the *Coinbase Smart Account*, fully compatible with Passkey from the start.
* **Chain Support Expansion:** Added support for Gravity Alpha, Story Network, DODOChain, Duckchain, and Plume.
* **Biconomy V2 Update:** Expanded chain support with the addition of Sei.
* **Chain Removal:** Discontinued support for Heco and GMNetwork Testnet.

### August 9, 2024

* **Bug Fix:** Resolved intermittent issues with Solana transaction failures.
* **Performance Improvement:** Optimized loading speed for Solana transaction history.
* **Bug Fix:** Corrected the issue preventing Solana from adding manually tracked tokens.

### August 5, 2024

* **Bug Fix:** Resolved an issue with GitHub login where canceling would not return the user to the login page.
* **Bug Fix:** Addressed issues with Microsoft login.

### August 1, 2024

* **Stability Improvement:** Enhanced the stability of Node RPC.
* **Bug Fix:** Fixed issues related to gas price calculations.

## July, 2024

### July 29, 2024

* Add new chain: Elastos, 5ire, Aura

### July 15, 2024

* Add new chain: Kakarot, Zircuit
* Update token list
* Paymaster: add support for smart contract whitelist

### July 9, 2024

* On-ramp: add support for opBNB; add USDT support on BNB Chain
* Tron: fix 403 issue

### July 5, 2024

* Update Smart Accounts' chains support
* Delete chain: Berachain Artio

### July 1, 2024

* Add new chain: SatoshiVM, Lorenzo, AINN
* Delete chain: Lumibit

## June, 2024

### June 25, 2024

* Optimize the confirmation speed of Particle Auth EOA's transaction

### June 24, 2024

* Add new chan: Sei
* Fix issue with OKX Wallet

### June 21, 2024

* Add new chain: BEVM Mainnet
* Simple Account: add 2.0.0 version which supports batch transaction with value
* BTC Connect: align all chains to support both 1.0.0 and 2.0.0

### June 19, 2024

\-- Add new chain: GM Network, IoTeX, Fuse

### June 14, 2024

* Add new chain: Berachain bArtio
* Simple Account
  * Add support for Berachain bArtio
  * Add support for Bitlayer
* Embedded Wallet
  * Fix fusion mode swap issue

### June 06, 2024

* Add new chain: Zeroone

### June 03, 2024

* Account Abstraction
  * Optimize the speed of the Smart Account rpc (Biconomy V2, Xterio V1, Cyber Connect V1, Light Account V1)
* Embedded Wallet
  * Update the chains supported by Swap
  * Fix issues with Solana Swap

### June 02, 2024

* Smart WaaS
  * Add new chain support for Xterio(ETH) chain.
  * Updated chains supported by Xterio Account - add Xterio(ETH) chain.

## Before June 2024

<Card title="May 29, 2024" icon="calendar" href="/changelog/may24/may-29-2024">
  Smart WaaS introduced support for new chains.
</Card>

<Card title="May 20, 2024" icon="calendar" href="/changelog/may24/may-20-2024">
  Particle Connect added full support for EIP-6963 and new chains for WaaS.
</Card>

<Card title="May 11, 2024" icon="calendar" href="/changelog/may24/may-11-2024">
  Smart WaaS updated chains supported by Biconomy V2. BTC Connect added support
  for EIP-1271 and new signing methods.
</Card>

<Card title="April 26, 2024" icon="calendar" href="/changelog/april24/april-26-2024">
  Smart WaaS introduced new chains. BTC Connect introduced BOB Mainnet support.
</Card>

<Card title="April 19, 2024" icon="calendar" href="/changelog/april24/april-19-2024">
  Smart WaaS introduced the X Layer chain.
</Card>

<Card title="April 15, 2024" icon="calendar" href="/changelog/april24/april-15-2024">
  Smart WaaS added new and deprecated chains. BTC Connect added new chains.
</Card>

<Card title="March 28, 2024" icon="calendar" href="/changelog/march24/march-28-24">
  BTC Connect supported new wallets and chains. Smart WaaS added new testnets
  and mainnets.
</Card>

<Card title="March 21, 2024" icon="calendar" href="/changelog/march24/march-21-24">
  BTC Connect released version 2.0.0 and added new chains. Polygon zkEVM Cardona
  added.
</Card>

<Card title="March 7, 2024" icon="calendar" href="/changelog/march24/march-7-24">
  Auth improvements and account abstraction features were added. Mantle Mainnet
  optimized.
</Card>

<Card title="March 1, 2024" icon="calendar" href="/changelog/march24/march-1-24">
  Blast Mainnet added. Account abstraction for Blast Mainnet supported. BTC
  Connect improvements.
</Card>

<Card title="February 23, 2024" icon="calendar" href="/changelog/february24/february-23-24">
  Mode Network and TokenPocket wallet support added. Account abstraction
  updated.
</Card>

<Card title="February 19, 2024" icon="calendar" href="/changelog/february24/february-19-24">
  New chains Core and SatoshiVM added. Embedded Wallet support expanded.
</Card>

<Card title="February 4, 2024" icon="calendar" href="/changelog/february24/february-4-24">
  New chains added and removed. Account abstraction and BTC Connect updated.
</Card>

<Card title="February 3, 2024" icon="calendar" href="/changelog/february24/february-3-24">
  BTC Connect now allows BTC account retrieval via public key.
</Card>

<Card title="January 29, 2024" icon="calendar" href="/changelog/january24/january-29-24">
  BEVM Mainnet added. Account abstraction updated with Berachain Testnet
  support.
</Card>

<Card title="January 25, 2024" icon="calendar" href="/changelog/january24/january-25-24">
  New testnets and BTC Connect chains added, including BEVM and B2 Network.
</Card>

<Card title="January 22, 2024" icon="calendar" href="/changelog/january24/january-22-24">
  Account abstraction and Bunder/Paymaster added support for Sepolia and other
  networks.
</Card>

<Card title="January 19, 2024" icon="calendar" href="/changelog/january24/january-19-24">
  New chains added including Blast Sepolia and Taiko Katla. Smart Account
  updates.
</Card>

<Card title="January 15, 2024" icon="calendar" href="/changelog/january24/january-15-24">
  New testnets and integration features for Smart Account and BTC Connect.
</Card>

<Note>
  Only keep those starting from 2024 here; the previous ones will not be
  included.
</Note>