Release 3.3.6

• fix synchronizer not to keep resubscribing to addresses of
  already closed wallets (e415c0d9)
• fix removing addresses/keys from imported wallets (#4481)
• kivy: fix rare crash when changing exchange rate settings (#5329)
• A few other minor bugfixes and usability improvements.

Release 3.3.5

• The logging system has been overhauled (#5296).
  Logs can now also optionally be written to disk, disabled by default.
• Fix a bug in synchronizer (#5122) where client could get stuck.
  Also, show the progress of history sync in the GUI. (#5319)
• fix Revealer in Windows and MacOS binaries (#5027)
• fiat rate providers:
  • added CoinGecko.com and CoinCap.io
  • BitcoinAverage now only provides historical exchange rates for
    paying customers. Changed default provider to CoinGecko.com (#5188)
• hardware wallets:
  • Ledger: Nano X is now recognized (#5140)
  • KeepKey:
    • device was not getting detected using Windows binary (#5165)
    • support firmware 6.0.0+ (#5205)
  • Trezor: implemented “seedless” mode (#5118)
• Coin Control in Qt: implemented freezing individual UTXOs
  in addition to freezing addresses (#5152)
• Kivy:
  • fix bug with local transactions (#5156)
  • allow selecting fiat rate providers without historical data (#5162)
• Testnet: there is now a warning when the client is started in
  testnet mode as there were a number of reports of users getting
  scammed through social engineering (#5295)
• CoinChooser: performance of creating transactions has been improved
  significantly for large wallets. (d56917f4)
• Importing/sweeping WIF keys: stricter checks (#4638, #5290)
• Electrum protocol: the client’s “user agent” has been changed from
  “3.3.5” to “dash-electrum/3.3.5”. Other libraries connecting to servers
  can consider not “spoofing” to be Dash Electrum. (#5246)
• Several other minor bugfixes and usability improvements.

Author: Akhavr
Original link: https://github.com/akhavr/electrum-dash/releases/tag/3.3.6