[QGIS-Developer] QGIS 3.0 Sluggish on MacOS 10.13 with Retina Display

[Nyall Dawson]

On 21 February 2018 at 07:31, Jeremy Palmer <palmerjnz at gmail.com> wrote:
> Hi Nyall,
>
> On 21/02/2018 10:12, "Nyall Dawson" <nyall.dawson at gmail.com> wrote:
>
> There's not much to go on in that stack - it's all Qt internals.
>
>
> What would you like to see?

I'm just saying that there's nothing QGIS specific there - so there's
no clues there wherever it's a generic Qt issue or a QGIS regression.

> Are you sure this isn't solely due to the fact that QGIS is painting
> so many more pixels? I'd like to see a test where you force a low dpi
> resolution for both 2.18 and 3.0.
>
>
> What would be the best way to force low dpi?

I'm not familiar with OSX - can you set the monitor resolution
manually? something like 1280 x 800 would be a good test.

Nyall