Thunderbird is no longer funded by Mozilla. Fortunately there is an active community keeping it running and developing it further. But to survive long term, the project needs funding.
Thunderbird 的改进不再由 Mozilla 提供资助。幸运的是，还有一个活跃的社区在保持它继续前行和发展。但长远考虑，本项目仍然缺乏资金。