Electrum v4.5.0 Released

• "Electrum 4.5.0 is now released. Download: https://electrum.org/#download," announced the project.
• This release includes a new feature that allows you to send the change of your on-chain transaction to a lightning channel, using a submarine swap, among other things.

What's new

General

• remove SSL options from config (012ce1c)
• make number of logfiles to keep configurable (5e8b14f)
• refactored SimpleConfig and added ConfigVars (#8454)
• incremental writes of wallet file (#8493)
• add warnings and prompt users when signing txs with non-default sighashes (#8687)
• refactored bip21/bolt11/lnurl/etc-handling into PaymentIdentifiers (#8462)
• add option to merge duplicate outputs (#8474)
• fix: consider bip21 URIs as invalid if they contain unknown req-* param (#8781)

Lightning

• fix BOLT-04 "MUST set short_channel_id to the short_channel_id used by the incoming onion" (ca93af2)
• add support for hold invoices (1acf426)
• add support for bundled payments (c4eb7d8)
• various MPP improvements (#7987, ..)
• support large channels (40f2087)
• new flow for normal submarine swaps (fd10ae3)
  • the client now uses hold invoices, just like the server
  • the client waits until HTLCs are received before going on-chain
  • the user may cancel the swaps during that waiting time
• don't create invoice with duplicate route hints (a3997f8)
• don't set channel OPEN before channel_ready has been both sent and received (#8641)
• if trampoline is enabled, do not add non-trampoline nodes to invoices (120faa4)

QML GUI (Android)

• port to Qt6
• fix regression for lnurl-pay (#8585)
• fix invoice amount bounds check (#8582)
• fix places where text was rendered off-screen for certain translations (#8611)
• fix lnworker undefined when node alias requested (#8635)
• fix BIP39 cosigner script type must be same as primary (8cd95f1)
• better handle android back-gesture (#8464)
• new: show private key in address details (016b5eb)
• new: show tx inputs in TxDetails and other dialogs (#8772)
• new: label sync plugin toggle (b6863b4)
• fix: properly suggest paying BOLT11 invoice onchain if insufficient balance (0a80460)
• new: message sign & verify (e5e1e46)
• new: allow never expiring payment requests (#8631)
• new: add coins/UTXOs to addresses list, add filters (cf91d2e)
• new: delete addresses from imported wallet (#8675)
• new: add support for lightning address and openalias (03dd38b)
• new: add setting to allow screenshots everywhere (0dae1733)
• simplify welcome page for first-start network settings (#8737)
• various UI fixes (b846eab, #8634, 9ed5f7b, 941f425, b20a4b9, af61b9d, 0fb47c8, 2995bc8, ..)

Qt Desktop GUI

• port wizard to new implementation
• fix fiat balance sorting in address list window (#8469, #8478)
• remove thousands separator when copying numbers to clipboard (#8479)
• new: option to use extra trampoline for legacy payments (b2053c6)
• new: send change to lightning option for on-chain payments (649ce97)
• new: notes tab for saving text in the (encrypted) wallet file (d691aa07)
• simplify welcome page for first-start network settings (#8737)
• various UI fixes (#8587, #6526, ..)

Hardware wallets

• Trezor: allow multiple change outputs (#3920)
• Trezor: support external pre-signed inputs (#8324)
• Bitbox02: update to 6.2.0 (#8459)

Plugins

• new: swapserver plugin (#8489)

Builds/binaries

• update bundled zbar, for security fixes (#8805)

Announcement / Archive
GitHub Repo