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34 changes: 34 additions & 0 deletions fern/docs/changelog/2026-02-28.mdx
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#### 📣 Announcements

- **Cross-Chain API (Private Beta)**: The Cross-Chain API is now live in private beta. [Learn more and sign up](https://0x.org/products/cross-chain).

#### New Chains

- **HyperEVM:** Now supported in Swap API.
- **Tempo:** Now supported in Swap API.

#### New Liquidity Sources

- **Arbitrum:** Added WooFi v2.
- **Avalanche:** Added WooFi v2.
- **Base:** Added DODO v2, ElfomoFi, Metric, and WooFi v2.
- **BSC:** Added WooFi v2.
- **Ethereum:** Added Ekubo v3.
- **Linea:** Added WooFi v2.
- **Mantle:** Added WooFi v2.
- **Optimism:** Added WooFi v2.
- **Polygon:** Added ApeSwap, WooFi v2.
- **Sonic:** Added WooFi v2.
- **HyperEVM:** Added Hybra, Kittenswap.

#### Chores

- Expanded Uniswap v4 support:
- Added Temple hook (Base).
- Added Clanker hook (BSC).
- Added Pancake Infinity.
- Added Liquid Launch.