# Thread safety

Every thread safety level assigned to a member. From Roblox Studio 0.744.0.7441077 (version-7aaa6838d36c4448). The HTML version of this list is at https://rapi.sleaze.dev/index/thread-safety/.

- [ReadSafe](https://rapi.sleaze.dev/index/thread-safety/ReadSafe.md): 4212 uses
- [Safe](https://rapi.sleaze.dev/index/thread-safety/Safe.md): 189 uses
- [Unsafe](https://rapi.sleaze.dev/index/thread-safety/Unsafe.md): 4373 uses