Apologies for the delayed reply. There have been some recent reports of slowness with DevKinsta which we are looking into.
-Which OS and version are you using?
-Which CPU and generation? (For example i7-3770k, i3-8100, etc.)
If Windows…
-Are you using WSL or Hyper V? This can usually be answered by your Windows version.
Pro/Enterprise will typically be hyper-v, while Home and other versions will default to WSL/WSL2.
Unfortunately, at the moment we haven’t found a solution. Hyper V will have better performance which is due to WSL latency regarding file handling.
We’re working on reproducing this in various situations to find the root cause but need more information to accurately do so.
Your PHP extensions shouldn’t have an impact on overall speed, unless there are a very large number of them and limited system memory.