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Improvements to the Loop block for Retool Workflows now in beta

Andrei Savin
Software Engineer

We are excited to announce improvements to the loop blocks are now available in beta both Cloud and self-hosted deployments, versions 3.42 or later. If you'd like to participate in the beta, complete this form to request access.

Once enabled, any new Loop blocks added to workflows will use Loop block v2. Existing Loop blocks will continue to function as before.

Iteration-level timeout

Loop block v2 allows timeouts of up to 30 seconds per iteration when executing the entire workflow.

Execution modes and delays

Loop block v2 supports parallel, sequential, and batched execution modes with iteration delays.

Improved iteration-level error handling and metadata

It is now possible to ignore iteration errors so that subsequent iterations can still run. In addition, metadata for each iteration is now exposed and accessible in subsequent blocks.

Visual refresh of the component library

A visually refreshed component library is currently available as an opt-in beta for cloud-hosted organizations. It contains minor style changes to many components, such as:

  • An updated color palette.
  • Changes to the active and hover state appearance for buttons and inputs.
  • Removing borders on input attachments and buttons.
  • Fixing inconsistencies with component spacing, font weight, border radius, etc.
  • A new look for the Tab and Navigation components.

Any style overrides you've made will still be retained.

Click Get started and leave a comment to request access.

Updates to the Debug Tools beta 🎉

We’ve added two new tabs, State and Timeline, that enable you to inspect the app state, drill into dependencies, and visualize query runs.

The State tab allows you to view the current state of all properties in your apps, as well as see dependencies between individual properties and calls from event handlers or JavaScript. This makes it easy to see everything that triggers a specific query. You can also directly jump to what you need with a “View state” context menu action and built-in search.

The Timeline tab shows a live view of all query runs, making it easier to visualize run times, compare sequencing, and quickly identify successful, failed, and active query runs.

We've also moved Environments, Releases, and History to the status bar for easier access. The status bar is only visible to users with edit permissions.

To access the Debug Tools beta, navigate to the Beta tab in your organization’s settings and turn on the Debug console and status bar toggle. Share your feedback with us by clicking on the Beta Feedback button in the top right corner! These updates are currently live on cloud and will be available on-prem in v2.98.