Wayland
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Linux desktop shell IPC: Wayland vs. D-Bus, and the lack of agreement on when to use them
On the Linux desktop today, we have two dominant IPC technologies in use between applications and the desktop environment: Wayland and D-Bus. While created for different reasons, both are generically extensible and can be used to exchange data, synchronize state and send requests and signals between peers. A large number of desktop use cases are implemented using either technology, and some use cases are already distributed across both of them. The status quo is mostly the result of organic growth, with individual implementation choices down to tech friction or the lack thereof.
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