You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
WorkflowsArea: what it touches
ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What
Workflow scripts run in their own isolated environment now start in strict mode. Strict mode is a JavaScript setting that turns some loose or error-prone code into errors.
Why
The rules for scripts in that environment are tighter. A script that relied on loose JavaScript behaviour may now fail with an error.