> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.vellum.ai/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.vellum.ai/_mcp/server. # Version 0.3 ## v0.3.44 - February 6, 2026 * Addition of data deletion handler and cron job for async delete requests * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.14.3 **[Application Changelog](https://docs.vellum.ai/changelog/2026/2026-02#custom-interfaces-for-chat-agents)** ## v0.3.43 - January 22, 2026 * User and organization management handler consolidation * Async migrations improvements * Addition of execution state write handler * Removal of deprecated handlers * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.13.5 **[Application Changelog](https://docs.vellum.ai/changelog/2026/2026-01#workflow-log-events)** ## v0.3.42 - December 17, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.11.20 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-12#mistral-ai-model-provider)** ## v0.3.41 - December 9, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.11.15 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-12#workflow-layout-dropdown)** ## v0.3.40 - December 9, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.11.15 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-12#chat-history-operation-in-set-state-node)** ## v0.3.39 - November 18, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.10.7 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-11#support-for-gemini-3-pro-preview)** ## v0.3.38 - November 5, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.10.1 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-11#customizable-workflow-icons)** ## v0.3.37 - October 21, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.9.6 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-10#settings-revamp)** ## v0.3.36 - October 21, 2025 * Bug fixes and application updates **SDK and Python Workflow Server Latest Version:** 1.7.13 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-10#agent-builder-updates)** ## v0.3.35 - October 15, 2025 * Bug fixes and application update **SDK and Python Workflow Server Latest Version:** 1.7.10 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-10#gpt-5-pro-models)** ## v0.3.34 - October 7, 2025 * Bug fixes and application update **SDK and Python Workflow Server Latest Version:** 1.7.4 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-10#gpt-5-pro-models)** ## v0.3.33 - October 5, 2025 * Configurable max workflow runtime * Removal of vellum-realtime-cross-encoder-stsb-roberta-large service * Bug fixes and Application Updates **SDK and Python Workflow Server Latest Version:** 1.7.1 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-10#agent-builder---generate-agent-nodes-with-integration-tools)** ## v0.3.32 - September 29, 2025 * Addition of vellum-monitoring service * Bug fixes and Application Updates **SDK and Python Workflow Server Latest Version:** 1.5.6 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-09#google-gemini-25-flash-models)** ## v0.3.31 - September 17, 2025 * Application Updates **SDK and Python Workflow Server Latest Version:** 1.4.1 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-09#custom-node-colors--icons)** ## v0.3.30 - September 8, 2025 * Application Updates **SDK and Python Workflow Server Latest Version:** 1.3.5 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-09#create-custom-nodes-from-the-ui)** ## v0.3.29 - September 4, 2025 * Application Updates **SDK and Python Workflow Server Latest Version:** 1.3.3 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-09#syntax-highlighting-in-prompt-jinja-blocks)** ## v0.3.28 - August 26, 2025 * Service account name for Workflow servers can now be configured **SDK and Python Workflow Server Latest Version:** 1.2.5 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-08#api-keys-removed-from-side-nav)** ## v0.3.27 - August 19, 2025 * Installs using the built in CloudNativePG Postgres can now resize the PVCs from KOTS admin **SDK and Python Workflow Server Latest Version:** 1.2.2 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-08#improved-variable-detection-when-pasting-prompts)** ## v0.3.26 - August 14, 2025 > **Error** > > **YOU MUST UPGRADE TO THIS RELEASE BY AUGUST 28th**: > > * [Bitnami recently announced](https://github.com/bitnami/charts/issues/35164) that they will be migrating all of their images to a new repository and no longer providing public support > * This release addresses this issue by updating image references > * You must upgrade to this release by August 28th otherwise subsequent upgrades or restarts can result in failed image pulls and downtime * Addressing Bitnami announcement * Upgraded migrations logic to improve upgrade speed and reliability * Bug fixes and improvements **SDK and Python Workflow Server Latest Version:** 1.2.1 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-08#models-page-revamp)** ## v0.3.25 - August 5, 2025 * Minor changes to the Helm Chart **SDK and Python Workflow Server Latest Version:** 1.0.11 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-08)** ## v0.3.24 - July 30, 2025 * Chart values default updates **SDK and Python Workflow Server Latest Version:** 1.0.8 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#prompt-node-unification)** ## v0.3.23 - July 25, 2025 * Fix resourcequota conditional **SDK and Python Workflow Server Latest Version:** 1.0.6 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#model-picker-improvements)** ## v0.3.22 - July 24, 2025 * Model Picker improvements **SDK and Python Workflow Server Latest Version:** 1.0.5 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#model-picker-improvements)** ## v0.3.21 - July 23, 2025 * Removes unused environment variables in chart * Fixes weaviate backup issues **SDK and Python Workflow Server Latest Version:** 1.0.5 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#thinking-output-in-prompt-nodes-and-prompt-deployment-nodes)** ## v0.3.20 - July 15, 2025 * Cluster wide resource configuration has been added * PVC sizes are no longer configurable and now must be manually resized **SDK and Python Workflow Server Latest Version:** 1.0.0 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#reasoning-outputs-in-prompt-sandboxes)** ## **HOTFIX** v0.3.19 - July 9, 2025 * Bug fix: A migration in version 0.3.18 resulted in new instances of self-hosted Vellum failing on creation * Default handler CPU requests have been decreased to reduce cluster size requirements **SDK and Python Workflow Server Latest Version:** 0.14.84 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#gemini-embedding-model-support)** ## v0.3.18 - July 8, 2025 * Increased default memory configuration for Clickhouse * Permanently disabled Launch Darkly in VPC and added a manual feature flag override * Bug fixes and stability improvements > **Warning** > > **NOTES**: > > * With this release, the minimum supported Postgres version is 14 > * A networking change in this release can result in issues. Customers may need to remove load balancer services for vellum-frontend as well as removing the ingress object before upgrading. If you encounter any issues or would like assistance, please reach out to Vellum. > * If Clickhouse memory is manually configured, please increase to at least match default values > * If Launch Darkly is enabled, please reach out to Vellum before upgrading **SDK and Python Workflow Server Latest Version:** 0.14.84 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#gemini-embedding-model-support)** --- ## v0.3.17 - July 1, 2025 * Task-Handlers has been removed * Support for new dedicated On-Prem and Embedded Cloud Providers * You can now specify any registry regardless of the cloud provider * Support for generic SMTP servers as an alternative to Mailgun > **Warning** > > **NOTES**: > > * If you are relying on the DNS record for `tasks.vellum.domain` please migrate to `api.vellum.domain` instead. > * There are some large data migrations that will take place in this upgrade and subsequently resource requirements may need to be adjusted. **SDK and Python Workflow Server Latest Version:** 0.14.81 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-07#expression-input-output-type-improvements)** --- ## v0.3.16 - June 24, 2025 * Configurable default retention policies for new orgs * Added Pre-flight Hook Jobs configuration section in KOTS * Replaced LoadBalancer type services with ClusterIP * Bug fixes and stability improvements > **Warning** > > **NETWORKING CHANGE WARNING**: A networking change in this release can result in issues. Customers may need to remove load balancer services for vellum-django and vellum-predict as well as removing the ingress object before upgrading. If you encounter any issues or would like assistance, please reach out to Vellum. **SDK and Python Workflow Server Latest Version:** 0.14.73 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-06#support-for-gemini-25-pro-preview-06-05)** --- ## v0.3.15 - June 17, 2025 * Configurable ID for workspace to copy example prompt/workflows from on new org creation * Bug fixes and stability improvements **SDK and Python Workflow Server Latest Version:** 0.14.71 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-06#support-for-gemini-25-pro-preview-06-05)** --- ## v0.3.14 - June 10, 2025 * Bug fixes and stability improvements **SDK and Python Workflow Server Latest Version:** 0.14.70 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-06#gpt-4o-audio-preview-2025-06-03)** --- ## v0.3.13 - June 3, 2025 * Enable data retention policies at organization level * Bug fixes and stability improvements **SDK and Python Workflow Server Latest Version:** 0.14.66 **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-06#prompt--workflow-descriptions)** --- ## v0.3.12 - May 30, 2025 * AWS Bedrock models do not require extra role when deployed in AWS * Bug fixes and stability improvements **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-05#vertex-ai-claude-4-models-via-vellum)** --- ## v0.3.11 - May 21, 2025 * Configurable resource limits for code execution * Configure default staff access for new organizations * Bug fixes and stability improvements **[Application Changelog](https://docs.vellum.ai/changelog/2025/2025-05#ai-powered-prompt-improver-beta)** --- ## v0.3.10 - May 13, 2025 > **Warning** > > **NOTE:** In order to enable Vellum Workflows SDK functionality with this release, you must enable the flag **Install Knative** in the KOTS admin console. ![KOTS Admin Console showing Install Knative flag](https://vellum-ai.notion.site/image/attachment%3Ada2c90a5-9b25-4150-a222-cbd86962ee1f%3AScreenshot_2025-05-01_at_6.11.50_PM.png?table=block\&id=1f29035c-57bd-80b6-badb-e0d7bfd3ae71\&spaceId=71c05e3e-272b-4acf-9889-90a304d95d06\&width=2000\&userId=\&cache=v2) **New App Additions** * Bug Fixes and Stability improvements **Model Additions** * New model additions for this release are listed here: [May 2025 Changelog](https://docs.vellum.ai/changelog/2025/2025-05) --- ## v0.3.9 - May 6, 2025 > **Warning** > > **NOTE:** In order to enable Vellum Workflows SDK functionality with this release, you must enable the flag **Install Knative** in the KOTS admin console. ![KOTS Admin Console showing Install Knative flag](https://vellum-ai.notion.site/image/attachment%3Ada2c90a5-9b25-4150-a222-cbd86962ee1f%3AScreenshot_2025-05-01_at_6.11.50_PM.png?table=block\&id=1eb9035c-57bd-808b-98e9-faf5994abcc2\&spaceId=71c05e3e-272b-4acf-9889-90a304d95d06\&width=2000\&userId=\&cache=v2) \*\* New App Additions \*\* * Stability improvements **Model Additions** * New model additions for this release are listed here: [May 2025 Changelog](https://docs.vellum.ai/changelog/2025/2025-05) --- ## v0.3.8 - April 30, 2025 > **Warning** > > **NOTE:** In order to enable Vellum Workflows SDK functionality with this release, you must enable the flag **Install Knative** in the KOTS admin console. ![KOTS Admin Console showing Install Knative flag](https://vellum-ai.notion.site/image/attachment%3Ada2c90a5-9b25-4150-a222-cbd86962ee1f%3AScreenshot_2025-05-01_at_6.11.50_PM.png?table=block\&id=1e69035c-57bd-8076-a8bf-d9afec3163af\&spaceId=71c05e3e-272b-4acf-9889-90a304d95d06\&width=2000\&userId=\&cache=v2) **New App Additions** * **Grafana service** to enable Monitoring tab functionality for Prompt and Workflow Deployments * **Vembda and Codegen services** to enable custom code execution from within Vellum Workflows SDK * **Stability and configuration improvements** throughout * **Keycloak support** as auth provider **Model Additions** * New model additions for this release are listed here: [April 2025 Changelog](https://docs.vellum.ai/changelog/2025/2025-04) --- ## v0.3.4 - April 10, 2025 **Bug Fixes** * Fix hook ignore configuration reads * Include both upper and lowercase http proxy env vars when all specified in admin console * Weuc handler postgres fix --- ## v0.3.3 - April 9, 2025 **New Additions** * Enable HTTP proxy env var configuration * Make default storage class configurable --- ## v0.3.2 - April 3, 2025 No infrastructure change --- ## v0.3.1 - March 31, 2025 **New Additions** * Enable vellum workflows pull for self hosted customers