1.6.6

• Add support for Auth47 authentication by registering a handler for auth: URLs in the browser
• Add support for LNURL-auth authentication by registering a handler for lightning: URLs in the browser
• Add BIP47 support for Bitcoin Core connections
• Spend change from BIP47 notification transactions only if necessary (@maxtannahill)
• Add support for sweeping of funds from a BIP38 encrypted private key
• Only allow sending to PayNyms where a notification transaction has previously been sent by the sender (no automatic reverse linking)
• Show taproot specific sighash default in sighash dropdown, and select it if appropriate
• Add optional transaction count column on address table using table header context menu to show and hide
• Reduce delay before attempting to reconnect when a private server connection fails
• Allow mixing out to other postmix wallet accounts
• Copy existing labels from deposit UTXOs into badbank UTXOs if present
• Add tooltip to wallet tab label on load failure
• Avoid unnecessary computation during entry cell sizing on initial table scroll
• Cache any wallet nodes for provided addresses during transaction construction, and use cache in transaction diagram and privacy analysis
• Refactor and optimize address classes
• Optimize retrieving unspent UTXOs
• Optimize UTXO selection through local variable caching of wallet data reused in computation
• Prefer using libsecp256k1 to derive public keys from private
• Store address data in wallet file where no passphrase is present to avoid lengthy rederivation of keys on deep wallets
• Compact wallet database on closing
• Indicate when creating a wallet transaction from a deep wallet is deriving keys
• Check proposed wallet name against open wallets for duplicates
• Invalidate multisig addresses for message signing and include address tooltip for guidance
• Add Help menu item to open Telegram support group
• Show wallet name in delete wallet dialog
• Improve unconfirmed transaction tooltip
• Show custom error dialog for 'min relay fee not met' broadcast errors
• Add context menus to transaction diagram labels to copy addresses and values
• Require non-empty password on encrypted wallet load
• Avoid re-requesting passphrase on BIP39 wallet import
• Show empty passphrases as 'No passphrase' in seed view dialog
• Indicate number of UTXOs selected in UTXOs tab
• Delete temporary HWI pyinstaller extraction if HWI crashes
• Update H2 database to 2.1.214
• Upgrade to Gradle 7.5
• Upgrade to Java 18.0.1
• Bug fix: Always find node for first input when retrieving historical notification transactions
• Bug fix: Save encrypted keystores on all wallets when changing password on child wallet Settings tab
• Bug fix: Add all whirlpool accounts if any one is discovered on wallet import
• Bug fix: Fix transaction sort where parent/child transactions were included in the same block
• Bug fix: Fix case insensitive matching when searching for addresses and transaction outputs
• Bug fix: Disallow duplicate xpubs in multisig wallet keystores
• Bug fix: Fix issue adding accounts to multisig wallets with mixed watch-only and seed keystores
• Bug fix: Avoid saving xpubs on BIP47 wallets, restore from seed on opening
• Bug fix: Use locale-insensitive lowercase and uppercase functions
• Bug fix: Allow PSBTs without previous UTXO data