2.5.6

- Add TOTP (6-digit code) functionality

2.5.5

- Fix pairing when no SSH key present

2.5.4

- Default to one-touch U2F login, store zero-touch setting per-pairing
- Update browser pairing UI
- Show error dialog when user scans TOTP QR code

2.5.3

- Shrink logos to prevent Canvas crash

2.5.1

- Fix workstation deduplication

2.4.5

Fix potential NPE caused by bluetooth or failure to link teams code

2.4.4

* Update billing protocol

2.4.3

Fix potential create team NPE

2.4.2

Fix two potential NPEs

2.4.1

Handle krypton://verify_email links correctly.