These seem like low-priority bugs to spend time on? Most apps have bigger problems.

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The issue is that we didn’t have these kinds of incongruent animations twenty years ago, and nowadays they are the norm, worsening user experience.

These aren’t bugs in the traditional sense. They built the animation system to work like this, and replaced the old system that didn’t produce these psychedelic transition states.

Is there more about what they did somewhere else? I don’t see any implementation details in the article.