v.4.0.0
=======

* ADD: Apple Watch support
* ADD: preimage info of paid ln tx
* FIX: better import of ln wallet
* REF: better offline handling

v3.9.7
======

* ADD: intermediate step asking user to backup his mnemonic
* ADD: buy bitcoin now happens in builtin webview instead of external browser
* ADD: new deeplinking scheme
* FIX: rare crash on app startup
* FIX: large HD utxo fetch (closes #459)
* FIX: better ln wallet import
* FIX: rare hangs when importing wallet via qr
* REF: Remove old security alert #379
* REF: more electrum servers
* REF: lapp browser improv