Releasesby GlyphSelf-hosted Retool 3.334 and 3.300 stable updates
The following patches are now available on the Stable release channel: Retool 3.334.15 Retool 3.334.14 Retool 3.300.30 Update your Retool instance to apply the latest bug fixes and security patches.
Also shipped May 20, 2026Retool in May 2026 →
WAF Release - 2026-05-20
Key Findings Existing rule enhancements have been deployed to improve detection resilience against broad classes of web attacks and strengthen behavioral coverage. Continuous Rule Improvements We are continuously refining our managed rules to provide more resilient protection and deeper insights into attack patterns.
Request-based autoscaling for App Platform is now in general availability
Request-based autoscaling for App Platform is now in general availability. Service components can scale automatically based on HTTP traffic metrics, including requests per second and P95 request duration, in addition to or instead of CPU …
Feature preview: Customer account improvements
Customer accounts are getting a visual refresh, featuring improved navigation, layout, and consistency across devices. You can preview these changes now and test your Shopify Extensions within the updated layout. What's changing: Single-column native pages : These are now consistent across both desktop and mobile, with simplified navigation.
Removing deprecated PRIVATE and PUBLIC_READ enums on metaobject definitions
We are updating the MetaobjectAdminAccess enum by deprecating the PRIVATE and PUBLIC_READ values. These values are now obsolete and are never returned by the API. This change removes ambiguity, as the deprecated access values do not accurately reflect the actual access behaviors.
DuckDB v1.5.3 Bugfix Release
This is a bugfix release for various issues discovered after we released v1.5.2. Please also refer to the announcement blog post: https://duckdb.org/2026/05/20/announcing-duckdb-153 Use DB serialization compatibility for json_serialize_sql DuckLake Bump fix: resolve current catalog in ADBC Ingest to avoid temp table shadowing Fix TIMESTAMPFORMAT being...
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Retool 3.391 Edge for self-hosted instances
Retool 3.391 is now available on the Edge release channel for self-hosted organizations.
View audit logs across spaces
Live on cloud Self-hosted version 3.391.0 and later Organization admins in the admin space can now view audit logs from all spaces on the same instance directly from the Audit logs page. Use the Space filter to view events from a specific child space, or select all spaces to view events from every space at once.
Retool 3.396 Edge for self-hosted instances
Retool 3.396 is now available on the Edge release channel for self-hosted organizations.
Self-hosted Retool 3.334 and 3.300 stable updates
The following patches are now available on the Stable release channel: Retool 3.334.16 Retool 3.300.31 Update your Retool instance to apply the latest bug fixes and security patches.
Self-hosted Retool 3.334 and 3.300 stable updates
The following patches are now available on the Stable release channel: Retool 3.334.13 Retool 3.300.29 Update your Retool instance to apply the latest bug fixes and security patches.
Retool 3.387 Edge for self-hosted instances
Retool 3.387 is now available on the Edge release channel for self-hosted organizations.
Analytics for Retool Workflows
Live on cloud • All plans 3.387.0 Edge • All plans 4.0.17 Stable • All plans The new Analytics page gives you visibility into workflow health and activity across your organization.
Build apps via MCP
note App building with the MCP server is available in cloud instances. It will be available in upcoming stable and edge releases. Builders on cloud instances can now use Retool's MCP server to build apps. Apps are built using React and use Retool's updated app builder .