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>> This sounds like a very weird edge case It's a single setting prior to a standard update. Now I'm not saying they should test every combination of settings,

>> This sounds like a very weird edge case It's a single setting prior to a standard update. Now I'm not saying they should test every combination of settings, or even every individual setting. I'm more curious how there is any interplay between this setting and the update, and why that has any effect. On the surface it smells like a system design issue to me - like something is going in there on that shouldn't be.

Wowfunhappy 3y ago
> I'm more curious how there is any interplay between this setting and the update, and why that has any effect. On the surface it smells like a system design issue to me - like something is going in there on that shouldn't be. There is (probably) a logic behind it. https://mstdn.social/@marcan@treehouse.systems/111329614110191891 https://mstdn.social/@marcan@treehouse.systems/1113296141101... > Why [does disabling ProMotion cause this problem]? I can tell you why: because Apple hates display modeset flicker, and switching modes between ProMotion on/off causes a modeset flicker, so of course they made it so that is stored in nvram somewhere and applied when the screen is turned on during early boot, so when macOS boots it doesn't have to flicker again.
- userbinator 3y ago
  In other words, Apple was so insistent on one tiny aesthetic point that it ended up breaking things for a lot of others who likely didn't care at all?
  - Wowfunhappy 3y ago
    Well, only because there was a bug. I personally appreciate how Apple prioritizes these little details—and I'd argue it's a huge part of what has made the company successful. This is the company that put a speaker in the iPod just to have a clicking sound for the scroll wheel.
  - tgma 3y ago
    I think the polish matters, especially considering that the majority of users with the default setting will be just fine appreciating the benefit. It wasn't intended to be a trade-off either. Just an unfortunate side effect of the additional complexity. It's accurate to cast it as an engineering tradeoff between complexity and aesthetics but IMO would be wrong to say they broke for a certain set of users in favor of aesthetics.

Wowfunhappy 3y ago

> I'm more curious how there is any interplay between this setting and the update, and why that has any effect. On the surface it smells like a system design issue to me - like something is going in there on that shouldn't be. There is (probably) a logic behind it. https://mstdn.social/@marcan@treehouse.systems/111329614110191891 https://mstdn.social/@marcan@treehouse.systems/1113296141101... > Why [does disabling ProMotion cause this problem]? I can tell you why: because Apple hates display modeset flicker, and switching modes between ProMotion on/off causes a modeset flicker, so of course they made it so that is stored in nvram somewhere and applied when the screen is turned on during early boot, so when macOS boots it doesn't have to flicker again.

userbinator 3y ago
In other words, Apple was so insistent on one tiny aesthetic point that it ended up breaking things for a lot of others who likely didn't care at all?
- Wowfunhappy 3y ago
  Well, only because there was a bug. I personally appreciate how Apple prioritizes these little details—and I'd argue it's a huge part of what has made the company successful. This is the company that put a speaker in the iPod just to have a clicking sound for the scroll wheel.
- tgma 3y ago
  I think the polish matters, especially considering that the majority of users with the default setting will be just fine appreciating the benefit. It wasn't intended to be a trade-off either. Just an unfortunate side effect of the additional complexity. It's accurate to cast it as an engineering tradeoff between complexity and aesthetics but IMO would be wrong to say they broke for a certain set of users in favor of aesthetics.