Flaws are to be expected. High-impact flaws, including data loss, are very rare, but may occur. Protect yourself with <a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">backups</a>. Low-impact flaws may not be fixed quickly, because fixes are prioritized based on impact.
测试版难免存在缺陷。恶性缺陷（例如丢失数据）虽然非常少见，但仍有可能发生。您可以通过<a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">备份</a>来确保数据安全。我们按照缺陷的严重程度来决定修复的优先级，因此不太严重的缺陷可能无法很快得到修复。