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ThomasV 2018-06-25 23:04:01 +02:00
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RELEASE-NOTES
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@ -1,61 +1,59 @@
# Release 3.2.0 - (unreleased) # Release 3.2.0 - (unreleased)
* libsecp256k1: to speed up elliptic curve operations, Electrum can now * If present, libsecp256k1 is used to speed up elliptic curve
utilize the libsecp256k1 library from Bitcoin Core, if present. operations. The library is bundled in the Windows, MacOS, and
Otherwise, as before, python-ecdsa is used. libsecp256k1 is Android binaries. On Linux, it needs to be installed separately.
bundled in the Windows, MacOS, and Android binaries. As we only * Two-factor authentication is available on Android. Note that this
distribute source for Linux, for now, users need to install the library will only provide additional security if one time passwords are
themselves if they desire its benefits. generated on a separate device.
* Two-factor wallets are now implemented for Android. * Semi-automated crash reporting is implemented for Android.
Note that they only provide additional security if the one time * Transactions that are dropped from the mempool are kept in the
passwords are generated on a separate device. wallet as 'local', and can be rebroadcast. Previously these
* Semi-automated crash reporting is now implemented for Android too. transactions were deleted from the wallet.
* Generalized local transactions: an "is mine" input is no longer needed * The scriptSig and witness part of transaction inputs are no longer
to qualify as local, which in practice means that any transaction parsed, unless actually needed. The wallet will no longer display
that drops from the mempool becomes local and is kept. Previously 'from' addresses corresponding to transaction inputs, except for
these were deleted from the wallet. its own inputs.
* Wallet logic: the scriptSig and witness part of transactions is no longer * The partial transaction format has been incompatibly changed. This
parsed, unless actually needed, which was in the past occasionally the cause was needed as for partial transactions the scriptSig/witness has to
of getting stuck in infinite "Synchronizing". As the input scripts are not be parsed, but for signed transactions we did not want to do the
parsed, the "from" addresses are not inferred. The wallet history and parsing. Users should make sure that all instances of Electrum
balance logic no longer depend on "from" addresses. they use to co-sign or offline sign, are updated together.
Perhaps most noticeably, as parent transactions are not fetched, and guesses * Signing of partial transactions created with online imported
for the "from" addresses are no longer made, the Qt GUI will not display addresses wallets now supports significantly more
addresses corresponding to the inputs (except for "is mine" inputs). setups. Previously only online p2pkh address + offline WIF was
* The partial transaction format has been incompatibly changed. This was supported. Now the following setups are all supported:
needed as for partial transactions the scriptSig/witness has to be parsed,
but for signed transactions we did not want to do the parsing.
Users should make sure that all instances of Electrum they use to co-sign
or offline sign, are updated together.
* Signing of partial transactions created with online imported addresses
wallets now supports significantly more setups. Previously only
online p2pkh address + offline WIF was supported.
Now the following setups are all supported:
- online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline WIF, - online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline WIF,
- online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline seed/xprv, - online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline seed/xprv,
- online {p2sh, p2wsh-p2sh, p2wsh}-multisig address + offline seeds/xprvs - online {p2sh, p2wsh-p2sh, p2wsh}-multisig address + offline seeds/xprvs
(potentially distributed among several different machines) (potentially distributed among several different machines)
Note that for the online address + offline HD secret case, you need the Note that for the online address + offline HD secret case, you need
offline wallet to recognize the address (i.e. within gap limit). the offline wallet to recognize the address (i.e. within gap
Having an xpub on the online machine is still the recommended setup, as this limit). Having an xpub on the online machine is still the
allows the online machine to generate new addresses on demand. recommended setup, as this allows the online machine to generate
* Ledger: offline signing for segwit inputs (#3302) new addresses on demand.
This has already worked for Trezor and Digital Bitbox. Offline segwit * Ledger: offline signing for segwit inputs (#3302) This has already
signing can be combined with online imported addresses wallets. worked for Trezor and Digital Bitbox. Offline segwit signing can be
* Added Revealer plugin. ( https://revealer.cc ) combined with online imported addresses wallets.
Revealer is a seed phrase back-up solution. It allows you to create a cold, * Added Revealer plugin. ( https://revealer.cc ) Revealer is a seed
analog, multi-factor backup of your wallet seeds, or of any arbitrary phrase back-up solution. It allows you to create a cold, analog,
secret. The Revealer utilizes a transparent plastic visual one time pad. multi-factor backup of your wallet seeds, or of any arbitrary
* Fractional fee rates: the Qt GUI now displays fee rates with 0.1 sat/byte secret. The Revealer utilizes a transparent plastic visual one time
precision, and also allows this same resolution in the Send tab. pad.
* Hardware wallets: a "show address" button is now displayed in the Receive * Fractional fee rates: the Qt GUI now displays fee rates with 0.1
tab of the Qt GUI. (#4316) sat/byte precision, and also allows this same resolution in the
Send tab.
* Hardware wallets: a "show address" button is now displayed in the
Receive tab of the Qt GUI. (#4316)
* Trezor One: implemented advanced/matrix recovery (#4329) * Trezor One: implemented advanced/matrix recovery (#4329)
* Qt/Kivy: added "sat" as optional base unit * Qt/Kivy: added "sat" as optional base unit.
* Kivy GUI: significant performance improvements when displaying history and * Kivy GUI: significant performance improvements when displaying
address list of large wallets; and transaction dialog of large transactions history and address list of large wallets; and transaction dialog
* Windows: use dnspython to resolve dns instead of socket.getaddrinfo (#4422) of large transactions.
* importing minikeys: use uncompressed pubkey instead of compressed (#4384) * Windows: use dnspython to resolve dns instead of socket.getaddrinfo
(#4422)
* Importing minikeys: use uncompressed pubkey instead of compressed
(#4384)
* SPV proofs: check inner nodes not to be valid transactions (#4436) * SPV proofs: check inner nodes not to be valid transactions (#4436)
* Qt GUI: there is now an optional "dark" theme (#4461) * Qt GUI: there is now an optional "dark" theme (#4461)
* Several other minor bugfixes and usability improvements. * Several other minor bugfixes and usability improvements.