Spindump data is very useful when debugging sluggishness in Texpad. The spindump tool samples Texpad as you use it, recording where in the code the time is spent.
When writing to us about performance issues, please ensure you state the device you're using, the operating system you're running (version of macOS, Windows or iOS) and any other information about the environment Texpad runs in.
The Windows variant of this article will be updated in due course. To try the Windows app out before it is released, please sign up for a beta.