Spotify regularly updates their clients and backend behavior.
Most of the time, these updates are transparent, but occasionally they can affect:
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authentication flows,
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audio routing behavior,
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or Spotify Connect compatibility.
This is why Spotycast is designed as a containerized, external bridge:
when something changes upstream, the impact is isolated, and updates or rollbacks can be applied without breaking the rest of the audio stack.
In other words, the goal is not to prevent breakage entirely, but to make recovery predictable and contained.