This article explains how to find a Pixelmator for iOS crash report.
1. Open the Analytics & Improvements section of the Settings app
To open the Settings app, tap the Settings icon on your Home screen or the Dock on iPad. Then, go to Privacy > Analytics & Improvements > Analytics Data.
2. Find the crash report
Browse the Analytics Data list to find the Pixelmator crash. It will start with "Pixelmator-" and end with an .ips extension.
3. Share the crash report with us
Tap to open the crash report, then tap the Share button in the top left and choose Mail.