Qt Remote Objects uses an internal protocol to pass data between processes and/or devices. The same protocol version needs to be used by all parties: if there is a mismatch, the connecting node will output a warning and the host node will not send any data.
目前發行的版本：
| 協議版本 | Qt 版本 |
|---|---|
| <1.2 | 在 QtRO 技術預覽階段使用。 |
| 1.2 | 5.12.0 |
| 1.3 | 5.12.4 |
