By EZ in Releases — Oct 17, 2024

Electrum v4.5.6: Testnet4, New Hardware Wallets Support

Electrum is a lightweight Bitcoin and Lightning wallet for all desktop platforms and Android.

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This release integrates testnet4, adds support for Trezor Safe 5 and Ledger Flex devices, and brings the ability to export multisig wallet to COLDCARD over USB, alongside multiple bug fixes and improvements.
Android users can now see seed phrases in Wallet Details and adjust screen brightness when displaying QR codes.

What's new

General:
- Add support for testnet4.
- fix: wizard: allow passphrase for some '2fa' seeds.
- fix: trustedcoin wallet wizard continuation if file has keystore-only encryption.
- fix: trustedcoin: sanitize error messages coming from 2fa server.
- fix: new wizard did not set keystore password if storage was not encrypted.
- changed: set stricter UNIX permissions for log files.
QML GUI (Android):
- new: show seed passphrase in WalletDetails.
- new: set max screen brightness when displaying QR codes.
- fix: crash due to ConcurrentModificationException.
- fix: issue deactivating PIN when no wallet loaded.
- fix: only allow Channel Backup import on Lightning-enabled wallets.
Qt Desktop GUI:
- fix: scanning multi (privkeys, addresses) from QR.
Hardware wallets:
- COLDCARD: new: export multisig wallet to COLDCARD over USB.
- Trezor:
  - new: add support for new device Safe 5.
  - update: fix compatibility with and bump pinned library to 0.13.9.
- Ledger:
  - new: add support for new device Flex.
  - update: bump pinned library to 0.3.0, raise max lib to <0.4.
- Jade: update: bump library to 1.0.31.
CLI/RPC:
- changed: require wallet password for lnpay and similar commands (this is in addition to the wallet needing to be loaded, and requiring read access to the config file).
Builds/binaries:
- changed: include unit tests in tarballs.
- Android:
  - work towards F-Droid inclusion:
    - reproducible apks: strip file path prefix from .pyc files.
    - add fastlane metadata for f-droid.
    - change versionCode calculation.
    - build.gradle: set android.dependenciesInfo.includeInApk=false.
    - contrib/release_www.sh: put android versionCode in "version" file.