Releasesby GlyphPython runtime version selector and 3.14 availability
Live on cloud • All plans 3.391 Edge • All plans You can now select the Python version used by a workflow from the Languages & Libraries tab. Click ... next to Python , select Update version , and choose between Python 3.10 and 3.14. Python 3.14 does not include built-in libraries.
Also shipped Apr 24, 2026Retool in April 2026 →
Agent SDK: Building Multi-turn Agent Workflows on OpenRouter
The OpenRouter Agent SDK provides a callModel function to build multi-turn agent workflows. It supports tool calls, stop conditions, and cost tracking across over 400 models.
Build Your Own Harness with the Agent SDK
The OpenRouter Agent SDK allows developers to scaffold personalized coding agents with terminal UI or headless support for scripts and pipelines.
What's new in Sigma
Admin AWS signature V4 authentication for API connectors API connectors now support the AWS signature V4 authentication method. For more information, see Configure API credentials and connectors in Sigma .
RLS Tester in Feature Preview
The Supabase Dashboard has added an RLS Tester in Feature Preview, allowing users to run SELECT queries as any role, see which RLS policies fire, and debug policies.
Unity Catalog OSS Unity Catalog AI 0.4.0
The 0.4.0 release of Unity Catalog AI includes several improvements, including expanded Databricks client options and dependency/security improvements. Artifacts in this release unitycatalog-ai unitycatalog-langchain unitycatalog-openai Major Changes Warehouse ID Support in DatabricksFunctionClient : For workspaces where serverless compute is unavailable or...
Validation Errors Now Return 400 Instead of 422 API requests that fail validation now return HTTP 400 Bad...
Validation Errors Now Return 400 Instead of 422 API requests that fail validation now return HTTP 400 Bad Request instead of 422 Unprocessable Entity, aligning the HTTP status code with standard behavior across major inference providers.
More from RetoolEvery Retool release →
Claude Opus 4.7, GPT-4 Turbo, GPT-4.1 Nano, and GPT-5.4 now available for Agents
Live on cloud Claude Opus 4.7 is now available on Retool Cloud through Anthropic and Amazon Bedrock . It can be used with AI resource queries , with Retool Agents , and in Assist . Opus models require you to bring your own key for AI resource queries and Assist; Retool Agents can use Opus with a Retool-managed key.
GPT Image 2 available in Retool
Live on cloud Self-hosted version 3.379.0 and later GPT Image 2 is now available through OpenAI. It can be used for image generation with AI resource queries .
Azure Blob Storage integration
Live on cloud • All plans 3.375.0 Edge • All plans Retool now provides a native integration for Azure Blob Storage , Microsoft's scalable object storage service. With the Azure Blob Storage resource, you can upload and download files, generate signed URLs for temporary secure access, and copy, delete, and organize objects across containers, all from Retool...
Deprecation of MongoDB 3.4 support
Retool is phasing out support for MongoDB Server version 3.4 and earlier. Organizations with an unsupported version of MongoDB Server connected to Retool must upgrade to MongoDB Server 3.6 or later. For cloud organizations, support for MongoDB Server 3.4 and earlier has already been removed.
GPT-5.5 and GPT-5.3 Codex available in Retool
Live on cloud Self-hosted version 3.379.0 and later GPT-5.5 and GPT-5.3 Codex are now available in Retool through OpenAI. They can be used with AI resource queries and with Assist . GPT-5.5 is also available for use with Retool Agents .
Google Gemini and Google Vertex AI models available for app building
Live on cloud Self-hosted version 3.383.0 and later Gemini 3.1 Pro (Preview) and Gemini 3.5 Flash can now be used to build apps, through both Google and Google Vertex AI. Refer to the AI models reference to see which models support app building.
ClickHouse integration
Live on cloud • All plans Public beta 3.375.0 Edge • All plans Public beta Retool now provides a native integration for ClickHouse , an open-source column-oriented database designed for real-time analytics.
Gemini 3.1 Pro Preview, Gemini 3 Flash Preview, and Gemini 3.1 Flash-Lite Preview models available in Retool
Live on cloud Self-hosted version 3.383.0 and later Gemini 3.1 Pro (Preview) , Gemini 3 Flash (Preview) , and Gemini 3.1 Flash-Lite (Preview) are now available in Retool through Google. They can be used with AI resource queries .