Quick answer: Version 1.4.9 required session passwords and added graphics settings plus better save protection, while fixing several collision, reload, and disconnect cases.
Security and save context
Required passwords change the session-start checklist. Better protection against potential save loss does not create a documented manual transfer or recovery workflow.
Keep walking
Big Walk Join Codes and Session Passwords
Find and use a Big Walk Join Code safely, understand when a new code is generated, and keep the required session password private.
Big Walk Save and Host Progress ExplainedUnderstand why Big Walk progress follows the host, how automatic saving works, and why another player cannot simply resume the same group save.