Legacy Runner sunset plan

The Unified Runner replaces the legacy implementation for executing browser tests in the cloud, which is known as the Legacy Runner.

❗️
The Legacy Runner was formally retired on October 2, 2023. All browser test executions occur on the Unified Runner.

FAQs

Why was the Legacy Runner being retired?
The Unified Runner is the next generation of automated testing with mabl, providing a more reliable, consistent, and performant experience. The Legacy Runner was retired because the Unified Runner was built to replace it.

Can I still use the Legacy Runner?
No, all browser test executions occur on the Unified Runner.

The Unified Runner

What improvements can I expect from the Unified Runner?
The Unified Runner is the next generation of the mabl testing service, bringing the same framework used in the mabl Desktop App and CLI to the cloud. By unifying our test execution logic, the new test runner provides consistent test results across all execution methods.

In addition to more consistent test results, the Unified Runner offers the following benefits:

Migrating to the Unified Runner

What happens if I don't migrate my tests to the Unified Runner by the sunset date?
If existing plans on the Legacy Runner were not manually migrated to the Unified Runner, they automatically migrated to the Unified Runner on the date when the Legacy Runner was formally retired.

What areas of testing does this affect?
Switching browser tests to the Unified Runner only impacts runs in the cloud. Local test runs and Trainer replay already use the Unified Runner and have not changed.

What if I run into issues when my tests switch from the Legacy Runner to the Unified Runner?
Tests that ran successfully in the cloud on the Legacy Runner should continue to work in the Unified Runner. If something does not work as expected, please reach out to our support team with additional information.