For the full list of changes, check out the Webiny 6.4.3external link release on GitHub.

Headless CMS
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Fixed Workflow State Dirty Detection and Review Flow (#5283external link)
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MobX observable proxies were being passed directly to structuredClone and JSON.stringify in the workflow state management code, which could cause runtime errors or produce inconsistent snapshots. The WorkflowStateModel.toJS() method was also returning model class instances instead of plain data objects for step properties. These issues have been fixed — workflow state dirty detection, review flows (request review, approve, reject), and list pagination now work reliably.

Admin
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Prevent Duplicate Team Selections in Workflow Steps (#5286external link)
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When configuring workflow steps, users could previously select the same team multiple times in the teams autocomplete field. The TeamsMultiAutocomplete component now enforces unique selections, preventing duplicate team entries.