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update release notes
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100
RELEASE-NOTES
100
RELEASE-NOTES
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# Release 3.2.0 - (unreleased)
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* libsecp256k1: to speed up elliptic curve operations, Electrum can now
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utilize the libsecp256k1 library from Bitcoin Core, if present.
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Otherwise, as before, python-ecdsa is used. libsecp256k1 is
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bundled in the Windows, MacOS, and Android binaries. As we only
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distribute source for Linux, for now, users need to install the library
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themselves if they desire its benefits.
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* Two-factor wallets are now implemented for Android.
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Note that they only provide additional security if the one time
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passwords are generated on a separate device.
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* Semi-automated crash reporting is now implemented for Android too.
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* Generalized local transactions: an "is mine" input is no longer needed
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to qualify as local, which in practice means that any transaction
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that drops from the mempool becomes local and is kept. Previously
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these were deleted from the wallet.
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* Wallet logic: the scriptSig and witness part of transactions is no longer
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parsed, unless actually needed, which was in the past occasionally the cause
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of getting stuck in infinite "Synchronizing". As the input scripts are not
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parsed, the "from" addresses are not inferred. The wallet history and
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balance logic no longer depend on "from" addresses.
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Perhaps most noticeably, as parent transactions are not fetched, and guesses
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for the "from" addresses are no longer made, the Qt GUI will not display
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addresses corresponding to the inputs (except for "is mine" inputs).
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* The partial transaction format has been incompatibly changed. This was
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needed as for partial transactions the scriptSig/witness has to be parsed,
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but for signed transactions we did not want to do the parsing.
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Users should make sure that all instances of Electrum they use to co-sign
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or offline sign, are updated together.
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* Signing of partial transactions created with online imported addresses
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wallets now supports significantly more setups. Previously only
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online p2pkh address + offline WIF was supported.
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Now the following setups are all supported:
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* If present, libsecp256k1 is used to speed up elliptic curve
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operations. The library is bundled in the Windows, MacOS, and
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Android binaries. On Linux, it needs to be installed separately.
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* Two-factor authentication is available on Android. Note that this
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will only provide additional security if one time passwords are
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generated on a separate device.
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* Semi-automated crash reporting is implemented for Android.
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* Transactions that are dropped from the mempool are kept in the
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wallet as 'local', and can be rebroadcast. Previously these
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transactions were deleted from the wallet.
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* The scriptSig and witness part of transaction inputs are no longer
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parsed, unless actually needed. The wallet will no longer display
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'from' addresses corresponding to transaction inputs, except for
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its own inputs.
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* The partial transaction format has been incompatibly changed. This
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was needed as for partial transactions the scriptSig/witness has to
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be parsed, but for signed transactions we did not want to do the
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parsing. Users should make sure that all instances of Electrum
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they use to co-sign or offline sign, are updated together.
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* Signing of partial transactions created with online imported
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addresses wallets now supports significantly more
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setups. Previously only online p2pkh address + offline WIF was
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supported. Now the following setups are all supported:
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- online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline WIF,
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- online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline seed/xprv,
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- online {p2sh, p2wsh-p2sh, p2wsh}-multisig address + offline seeds/xprvs
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(potentially distributed among several different machines)
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Note that for the online address + offline HD secret case, you need the
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offline wallet to recognize the address (i.e. within gap limit).
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Having an xpub on the online machine is still the recommended setup, as this
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allows the online machine to generate new addresses on demand.
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* Ledger: offline signing for segwit inputs (#3302)
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This has already worked for Trezor and Digital Bitbox. Offline segwit
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signing can be combined with online imported addresses wallets.
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* Added Revealer plugin. ( https://revealer.cc )
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Revealer is a seed phrase back-up solution. It allows you to create a cold,
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analog, multi-factor backup of your wallet seeds, or of any arbitrary
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secret. The Revealer utilizes a transparent plastic visual one time pad.
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* Fractional fee rates: the Qt GUI now displays fee rates with 0.1 sat/byte
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precision, and also allows this same resolution in the Send tab.
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* Hardware wallets: a "show address" button is now displayed in the Receive
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tab of the Qt GUI. (#4316)
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Note that for the online address + offline HD secret case, you need
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the offline wallet to recognize the address (i.e. within gap
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limit). Having an xpub on the online machine is still the
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recommended setup, as this allows the online machine to generate
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new addresses on demand.
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* Ledger: offline signing for segwit inputs (#3302) This has already
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worked for Trezor and Digital Bitbox. Offline segwit signing can be
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combined with online imported addresses wallets.
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* Added Revealer plugin. ( https://revealer.cc ) Revealer is a seed
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phrase back-up solution. It allows you to create a cold, analog,
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multi-factor backup of your wallet seeds, or of any arbitrary
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secret. The Revealer utilizes a transparent plastic visual one time
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pad.
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* Fractional fee rates: the Qt GUI now displays fee rates with 0.1
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sat/byte precision, and also allows this same resolution in the
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Send tab.
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* Hardware wallets: a "show address" button is now displayed in the
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Receive tab of the Qt GUI. (#4316)
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* Trezor One: implemented advanced/matrix recovery (#4329)
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* Qt/Kivy: added "sat" as optional base unit
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* Kivy GUI: significant performance improvements when displaying history and
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address list of large wallets; and transaction dialog of large transactions
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* Windows: use dnspython to resolve dns instead of socket.getaddrinfo (#4422)
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* importing minikeys: use uncompressed pubkey instead of compressed (#4384)
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* Qt/Kivy: added "sat" as optional base unit.
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* Kivy GUI: significant performance improvements when displaying
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history and address list of large wallets; and transaction dialog
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of large transactions.
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* Windows: use dnspython to resolve dns instead of socket.getaddrinfo
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(#4422)
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* Importing minikeys: use uncompressed pubkey instead of compressed
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(#4384)
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* SPV proofs: check inner nodes not to be valid transactions (#4436)
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* Qt GUI: there is now an optional "dark" theme (#4461)
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* Several other minor bugfixes and usability improvements.
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