Unified Runner for Firefox Early Access
The Unified Runner now supports browser tests run on Firefox! In addition to test performance improvements, opting into the Unified Runner for Firefox early access program offers the following benefits:
Moreover, since the Unified Runner uses the same test execution logic as the mabl Trainer, the Unified Runner for Firefox ensures more consistency between training and executing tests.
Try it out
To opt into the Unified Runner for Firefox early access program, visit the Labs page at Settings > Labs
. You must be an owner of the workspace to turn on this feature.

Enabling the Unified Runner for Firefox in the Labs page
When the Unified Runner for Firefox is turned on, all tests and plans executed on Firefox start using the Unified Runner by default. You may revert to using the Legacy runner for Firefox by clicking the “Use Legacy runner” checkbox, or by turning off the feature in the Labs page.
You can configure browser and runner settings on the Plan Edit page and the Ad-hoc Run panel:

Configuring browser and runner settings for a plan

Configuring browser and runner settings for an ad hoc cloud run of a browser test
Submitting Feedback
During the early access period, we encourage you to share feedback on this feature in the mabl Product Portal.
Access and Pricing
The Unified Runner for Firefox is currently available for all mabl customers and trial users. During the early access phase, tests run on Firefox using the Unified Runner do not count towards monthly run allocations.
Access and pricing is subject to change once the feature is generally available. Prior to general availability, changes to the feature may be made without notice.
Check out our docs to learn more about the Unified Runner and mabl's multibrowser support.