One challenge of long threads like this is they often end up with reports of different issues - sometimes with similar results or symptoms. For example, there can be various causes for reduced performance. I am happy to work with anyone on this thread to help investigate and resolve issues. In some cases, I need more detailed information in order to understand what's going on and move forward. Re: Dynamic Link Slowdowns I have been provided a test project (Thank you) and I have been able to reproduce a slowdown related to using Dynamic Link when Premiere and After Effects are open at the same time. Investigation is still underway, but in early testing, this appears to be specific to Mac and possibly related to Mojave. We are actively investigating this issue internally. The current temporary work around for this is to close the UI version of After Effects while rendering Premiere projects that contain Dynamic Linked comps. I will provide more info on this as it comes available. Re: Other issues mentioned on this thread It would seem that there are other issues not related to Dynamic Link being reported. As mentioned previously in the thread there have been many changes related to GPU drivers and OS updates. These have causes slowdowns for some users and in some cases support for older cards has changed. Mojave does not support CUDA at this time. If you would like help investigating slow downs, you are welcome to send me a PM and I will help investigate. If you are able to provide a short test project this can is optional but can help expedite the process of resolving an issue. I will continue to respond on this thread but it's not always the ideal way to troubleshoot multiple issues. Thank you, Wes Howell Premiere Pro Team
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