Consolidate all sending methods in the same UI (BOLT11, Lightning address, BTC address, LNURL, etc.).
Add On-chain Bitcoin to the above UI as an additional way to off-ramp only if needed.
Support Paste, Scan (external QR), and Upload (scan from photos/screenshots).
Contacts: Allow users to save Lightning addresses in a manageable Contacts list to improve the send experience (not yet implemented in Misty Breez, but recommended).
Provide Use all funds when paying to a Lightning or Bitcoin address.
Validate and display amount limits and fees before confirmation.