Issues and Fixes
November 10, 2022

How to Fix Slow Playback on Firefox Version 98 and Above?

From version 98 onwards, Firefox has slowed down the processing of windows which are in the background. Due to this, during Sahi Pro's distributed playback, the windows which are not in the foreground perform slower and the overall suite playback takes significantly longer. For longer runs, the count of aborted scripts was also higher.

To fix this, please follow the steps below:

  • Take a backup of <Sahi Pro>/config/ff_profile_template/prefs.js
  • Add the below lines in <Sahi Pro>/config/ff_profile_template/prefs.js

                  user_pref("widget.windows.window_occlusion_tracking.enabled", false);

                  user_pref("widget.windows.window_occlusion_tracking_session_lock.enabled", false);

  • Delete the <Sahi Pro>/userdata/browser/ff folder.
  • Restart Sahi Pro and check.

This fix needs to be applied on Sahi Pro v9.7.0 and older. This will be fixed in the newer releases of Sahi Pro.

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