changelog entry august 21 (#617)

* changelog entry august 21

* update

* update

Author: SahilAujla

fern/changelog/2025-08-21.md

@@ -1,7 +1,35 @@
+## Node
+
+**Upgrades**
+
 * Berachain Mainnet: Reth [v1.0.1](https://github.com/berachain/bera-reth/releases/tag/v1.0.1), Beacond [v1.3.1](https://github.com/berachain/beacon-kit/releases/tag/v1.3.1)
 * Celestia Testnet: Celestia [v0.25.2-mocha](https://github.com/celestiaorg/celestia-node/releases/tag/v0.25.2-mocha)
 * Celo Alfajores: Opnode [celo-v2.1.0](https://github.com/celo-org/optimism/releases/tag/celo-v2.1.0), Opgeth [celo-v2.1.2](https://github.com/celo-org/op-geth/releases/tag/celo-v2.1.2)
 * Celo Sepolia: Opnode [celo-v2.1.0](https://github.com/celo-org/optimism/releases/tag/celo-v2.1.0), Opgeth [celo-v2.1.2](https://github.com/celo-org/op-geth/releases/tag/celo-v2.1.2)
 * Optimism Mainnet: Op Reth [v1.6.0](https://github.com/paradigmxyz/reth/releases/tag/v1.6.0)
 * Polygon Amoy: Bor [v2.2.10-beta](https://github.com/maticnetwork/bor/releases/tag/v2.2.10-beta)
-* Solana Mainnet: Agave [v2.3.7](https://github.com/anza-xyz/agave/releases/tag/v2.3.7), Yellowstone Grpc Plugin [v7.0.0+solana.2.2.15](https://github.com/rpcpool/yellowstone-grpc/releases/tag/v7.0.0%2Bsolana.2.2.15)
+* Solana Mainnet: Agave [v2.3.7](https://github.com/anza-xyz/agave/releases/tag/v2.3.7), Yellowstone Grpc Plugin [v7.0.0+solana.2.2.15](https://github.com/rpcpool/yellowstone-grpc/releases/tag/v7.0.0%2Bsolana.2.15)
+
+## Wallets
+
+* **New Funding page (Wallets in Dashboard)** — Fund crypto wallets with traditional payment methods. Convert fiat to stablecoins and cryptocurrency using credit cards, bank transfers, or ACH. [Funding page](https://dashboard.alchemy.com/services/funding/overview)
+* **Solana external wallets** supported; SDK login modal is more customizable.
+* **ERC-20 gas sponsorship** is now exposed as a **capability in the new Wallet APIs** (feature existed previously; this surfaces it in the API).
+* **EIP-1193 / EIP-5792 compliance**: added handler for `wallet_getCapabilities`.
+* **Custom JWT auth** in account-kit; services can infer auth provider from project config UUID.
+* **Experimental multi-owner user deletion** in SDK and APIs.
+* **Security & Identity**: stronger MFA (unified OTP handlers); OIDC can return access tokens; OAuth custom providers support `audience`; added OIDC discovery endpoint.
+* **Reliability & fixes**: corrected permit-deadline parsing in paymaster services.
+* **Wallets Docs Big Improvements** — Full [redesign](https://www.alchemy.com/docs/wallets) to a feature-first information architecture with redesigned navigation and clearer flows, including new guides like **[conditional gas sponsorship](https://www.alchemy.com/docs/reference/conditional-gas-sponsorship)**.
+
+## Rollups
+
+* **[Tea mainnet](https://tea.xyz/) launched** — network focused on rewarding open-source contributors.
+
+## Developer Experience
+
+* Improvements to the [billing page](https://dashboard.alchemy.com/settings/billing/manage-plan) to make it easier for admins to update their billing details
+* New **MCP Server** setup [guide](https://www.alchemy.com/docs/alchemy-mcp-server) to allow AI agents and tools to directly query and analyze blockchain data.
+* **Flashbots on Unichain** [quickstart](https://www.alchemy.com/docs/reference/unichain-flashblocks-api-quickstart).
+* **Eth Beacon API** methods [documentation](https://www.alchemy.com/docs/node/ethereum/ethereum-beacon-api-endpoints/ethereum-beacon-api-endpoints/v-2-beacon-blocks-block-id-attestations).
+* **Celo**: [FAQ](https://www.alchemy.com/docs/reference/celo-chain-api-faq) updated for migration to **Celo Sepolia**.