The following list is a set of known issues with GPU Performance:
- In CMYK documents, the appearance of objects with Blending Modes is incorrect in GPU Preview. [3718123]
- Images with CMYK spot colors are not rendered correctly in GPU Preview. [3719569]
- Blends created with an object containing effects may not render correctly in GPU Preview. [3719633]
- Objects with Photoshop effects are not rendered in GPU Preview. [3680844]
- Gradients and Gradient Meshes with Spot colors are rendered incorrectly in GPU Preview. [3715054]
- In CMYK documents, linked RGB images could show incorrect rendering in GPU Preview. [3720539]
- Rendering of colors could appear different in GPU Preview. [3705050]
- Thin strokes at low zoom levels may show a perceivable lag in rendering when Animated Zoom is stopped. [3736752]
- Redraw issues can appear while scrolling in Isolation mode with GPU Preview On. [3732193]
- Bitmap (1 bit) images can appear with a checkered appearance at 100% zoom in GPU Preview. [3684735]
- In GPU Preview, linked non-Photoshop EPS DCS file don't render correctly. [3718181]
- With document rulers ON, document's canvas can show a minor shift when toggling between GPU and CPU Preview. [3745431]
- Contents of a closed CPU-rendered document can appear momentarily when creating a document in GPU Preview. [3682701]
- While in GPU Preview, ruler origins may not update until the cursor is moved after release of click and drag. [3745463]
- In GPU Preview, Grid lines can appear anti-aliased. [3720002]
- When working with a Wacom Stylus, the origin of rotation/reflection cannot be repositioned in GPU Preview. [3710039]
- Non-native art with complex shadings does not get rendered in GPU Preview. [3726430]
- In GPU Preview, Live Corner widgets can display with a lag when the document is scrolled. [3715316]
- EPS files with gradients created in other applications and linked in Illustrator may render incorrectly in GPU Preview. [3708251]
- Drop shadows (with Darkness as the drop shadow option) applied to compound shapes at the Layer level may appear washed out in GPU Preview. [3680708]
- Simulate Colored Paper functionality works incorrectly in GPU Preview. [3715194]