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Create PostgreSQL and REST API resources with natural language
Prompt the app building agent to create REST API and Postgres resources.
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New OpenAI models available in Retool
Retool now supports GPT 6 Luna, GPT 6 Sol, GPT Image 2.5 Flare, and GPT Image 2.5 Sunburst for AI resource queries.
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Self-hosted Retool 4.34, 4.0, and 3.334 stable updates
Self-hosted Retool 4.34, 4.0, and 3.334 stable updates: October 1, 2026 | Retool Changelog
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Retool-provided AI models on the Team plan
The Team plan can now optionally use Retool-provided AI models for app building.
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Claude Opus 5.5 available in Retool
Retool now supports Claude Opus 5.5.
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Self-hosted Retool 4.34 and 4.0 stable updates
Self-hosted Retool 4.34 and 4.0 stable updates: September 30, 2026 | Retool Changelog
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Retool 4.66 Edge for self-hosted instances
Retool 4.66 is now available on the Edge release channel for self-hosted organizations.
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Conclusion of public beta for Assist
Assist is no longer available in the classic app builder.
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Deprecation of Retool Email for organizations on the Free plan
Retool Email will no longer be available to Retool organizations on the Free plan starting January 1, 2027.
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Deprecation of preinstalled libraries in custom authentication JavaScript steps
The preinstalled third-party libraries available in custom authentication JavaScript steps are deprecated. Migrate affected steps to use Node.js built-in modules.
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Deprecation of Windows Authentication for Microsoft SQL Server resources
Retool is deprecating Windows Authentication for Microsoft SQL Server resources on self-hosted instances.
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Continued hardening of Retool's infrastructure
Retool is continuing to harden deployment images, which may affect the availability of certain features and built-in libraries.
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Use external MCPs in app builder
You can now call MCP servers as a resource in the app builder.
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Changes to available AI models on the Free plan
The Free plan now uses Retool-provided AI models for app building.
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Retool CLI
Use the Retool CLI to build Retool apps from the command line.
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Retool 4.62 Edge for self-hosted instances
Retool 4.62 is now available on the Edge release channel for self-hosted organizations.
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Self-hosted Retool 4.34 and 4.0 stable updates
Self-hosted Retool 4.34 and 4.0 stable updates: September 23, 2026 | Retool Changelog
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Embed apps in iframes
Embed apps in iframes to display them in apps, classic apps, and places outside Retool.
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Self-hosted Retool 4.34, 4.0 stable updates
Self-hosted Retool 4.34, 4.0 stable updates: September 16, 2026 | Retool Changelog
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Retool 4.58 Edge for self-hosted instances
Retool 4.58 is now available on the Edge release channel for self-hosted organizations.
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New AI models available in Retool
Retool now supports GPT 5.4 Mini, GPT 5.4 Nano, GPT 6 Astra, Claude Fable 5.1, and Gemini 3.8 Flash.
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Self-hosted Retool 4.34, 4.0 stable updates
Self-hosted Retool 4.34, 4.0 stable updates: September 9, 2026 | Retool Changelog
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Retool 4.54 Edge for self-hosted instances
Retool 4.54 is now available on the Edge release channel for self-hosted organizations.
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Microsoft SQL integration version 3.0 restores support for array values
Version 3.0 of the Microsoft SQL integration accepts array values in query parameters, removing the only known breaking change between version 1.0 and version 3.0.
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AI visibility for Enterprise
Use the AI visibility page and API endpoints to monitor credit and token usage.
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Self-hosted Retool 4.34, 3.334, and 4.0 stable updates
Self-hosted Retool 4.34, 3.334, and 4.0 stable updates: September 2, 2026 | Retool Changelog
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Retool 4.51 Edge for self-hosted instances
Retool 4.51 is now available on the Edge release channel for self-hosted organizations.
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Manual file management for app building
Manually add and delete files in the app builder.
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Message queueing
Queue messages in the app builder while the agent works.
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Self-hosted Retool 4.0 stable update
The following patch is now available on the Stable release channel: