Sparrow v1.9.1 released with:
Testnet4 network support
Increase gap limit to sign
And more: 
GitHub
Release 1.9.1 · sparrowwallet/sparrow
Add testnet4 network support
Select with -n testnet4
Config and wallets are stored separately to testnet3, but can be copied across
The testnet fo...
Sparrow Wallet
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Sparrow is a modern desktop Bitcoin wallet application supporting most hardware wallets and built on common standards such as PSBT, with an emphasi...
