Plans to support OpenGL 4.3?

You're right -- Parallels currently supports OpenGL up to 4.1 (per the KB article you linked). From what I've seen, the limitation is tied to Apple's graphics stack on macOS, which restricts Parallels' ability to go beyond 4.1. VMware Fusion works a bit differently because of how it translates graphics calls, which is why you might see support for newer versions there.

That said, Parallels has been gradually improving graphics support (for example, adding DirectX 11 a while back), so I'd expect OpenGL updates to come eventually if there's enough demand. Unfortunately, there hasn't been an official timeline shared for OpenGL 4.3 support.

If your workflow requires 4.3 specifically, you might want to keep an eye on Parallels' release notes or submit a feature request directly to their support team -- they do take user demand into account.
 
Let me add that Space Engine - not a game per se but a planetarium that allows for 3D views of many space objects - requires OpenGL 4.3. Getting that on Parallels would be really cool!
 
Using Parallel Desktop for application development offers many advantages, but also numerous limitations. The greatest advantage of modern computer hardware is multi-core CPUs and GPU computing. For multi-core CPUs, some C/C++ compilers within Parallel Desktop's Windows virtual machine support OpenMP, enabling parallel computing on multi-core CPUs. However, Parallel Desktop limits the number of CPU cores in the virtual machine, and the standard version of Parallel Desktop imposes even greater restrictions. Parallel Desktop has no support for GPU computing, such as OpenCL. This is a significant weakness and drawback for applications requiring extensive and intensive numerical computation (such as CAD/CAM). I hope Parallel Desktop will continue to improve its support in this area. This is also why I hope Parallel Desktop supports OpenGL v4.3. The compute shader in OpenGL v4.3 is a general-purpose shader, primarily used for general computational tasks. Support for OpenGL v4.3 would be the easiest and fastest way to implement GPU computing in Parallel Desktop.
 
So unfortunate. Parallels was my last hope, after being disappointed in UTM and VMWare (not even mentioning VirtualBox) I thought a paid option was a safe bet.
It seems that proper graphics acceleration for linux desktop VMs is not a priority, and neither are paying customers.
 
We have a minimum need for OpenGL 4.3 as well but really Parallels should be supporting OpenGL 4.5+ since that came out over a decade ago. A lot of CAD programs, specifically from Siemens, and game engines have requirements beyond 4.1. VMware fusion supports this already and it would be great if Parallels did as well.
 
I also need OpenGL 4.3 for Ansys... This seems like a really important feature for this paid software to implement... I'm going to be forced to look for alternatives which is quite frustrating.
 
OpenGL 4.3 support would definitely make Parallels more practical for professional Windows applications, not just games and 3D software. Looking through the examples in this thread, the limitation is already affecting CAD/design, scientific, trading and other productivity applications.

I think ERP users are another group worth considering here. Modern ERP environments such as Microsoft Dynamics 365 Business Central generally don't depend on OpenGL 4.3 for their core functionality, but ERP implementations often sit alongside Windows-based reporting, visualization, manufacturing, engineering, or third-party applications that may have higher graphics requirements. In those environments, having a VM with broader graphics compatibility can be useful.

For example, Dynamics Square Canada works with Canadian businesses on Microsoft Dynamics 365 Business Central and ERP-related implementations. That doesn't mean Business Central itself requires OpenGL 4.3, but customers using ERP together with specialized Windows applications could potentially run into the same virtualization limitations discussed here.

So I'd agree that OpenGL 4.3+ support would be a meaningful improvement for Parallels. At this point, though, I wouldn't assume that Parallels has a specific release timeline unless there is an official announcement from Parallels. The number of different applications mentioned in this thread suggests the demand is broader than gaming alone.
 
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