mastra Releases

Focuses on refactoring quantized multi-vector scorers for io_uring support and fixing various bugs related to consensus operations and snapshot transfers.

May 22, 2026

A landmark update focusing on 3D map rendering improvements, including realistic building models, landmarks, and bridges, along with experimental support for Luanti world export.

May 19, 2026

A major architectural update that introduces a dedicated Hono server runtime to separate API and web concerns, improves self-hosting safety with agent snapshots, and reorganizes the codebase into a strict monorepo structure with new package boundaries.

May 19, 2026

This release introduces FGA route policy coverage controls and resolver hooks, a new favorites storage domain for agents and skills, and improved token estimation for large file parts in Observational Memory. It also includes reliability fixes for workspaces, workflows, and route matching.

May 18, 2026

This release adds support for ACP-compatible coding agents as tools or subagents, introduces the xAI Grok Voice Agent API, and allows agents to include optional metadata. It also provides enterprise foundations for admin policies and RBAC, improves file handling in workspace.read_file, and adds a lightweight trace listing API.

May 15, 2026

This release introduces push-capable PubSub for workflow events, a ResponseCache input processor for skipping identical LLM steps, and agent signals for sending contextual messages mid-run. It also adds Azure OpenAI Responses API support, new storage options (Aurora DSQL + Bright Data), and observability upgrades including MODEL_INFERENCE spans.

May 13, 2026

This release focuses on vector database performance and storage optimizations, introducing TurboQuant quantization, deep memory reporting, and removing legacy RocksDB support. It also includes various performance improvements and bug fixes.

May 11, 2026

This release introduces Fine-Grained Authorization (FGA) with WorkOS backing, cron-native scheduled workflows, and MCP Apps for interactive UI resources. It also upgrades observability with nested-run querying (listBranches/getBranch) and bounded high-cardinality metrics.

May 6, 2026

This release adds a platform channels framework, Slack channel integration, a NestJS server adapter, and a Google Drive workspace filesystem. It also introduces a real-time voice provider for AWS Nova Sonic and refactors UI components.

May 4, 2026

This release introduces Durable Agents with resumable streams and workflow-backed execution strategies (Evented and Inngest). It also adds pluggable PubSub and Cache infrastructure, improves A2A streaming artifacts, and reduces observability noise by default.

May 1, 2026

This release adds Azure Blob Storage workspace and blob store support, streamUntilIdle functionality to include background task results, and resumeStream endpoint for suspended agent streams. It also introduces forked subagents for isolated execution and Cloudflare Workers MCP JSON schema validation.

Apr 30, 2026

This release introduces a Modal Cloud Sandbox provider, per-request filesystem resolvers for multi-tenant routing, and custom language server registration. It also fixes vector search reliability by auto-creating indices and splitting large files, and improves streaming and observational memory reliability.

Apr 28, 2026

Adds autolocalization features, new audio format support, and environment variable expansion to the file server.

Apr 24, 2026

Adds CLI-driven browser automation with screencast support, enables S3 prefix mounting for workspace providers, and fixes workflow resume bugs and observational memory conflicts.

Apr 24, 2026

A major overhaul of the terrain engine featuring a multi-source elevation pipeline, extended building heights, and subway tunnel generation.

Apr 24, 2026

Significantly enhances observability with new RAG tracing capabilities, expands CloudExporter to handle all observability signals, and introduces span filtering to reduce noise. It also adds support for AI SDK v6 messages and improves logging correlation.

Apr 8, 2026

Enhances terrain generation with Overture Maps integration, complex building algorithms, and map rotation features.

Apr 6, 2026

Performance improvements and bug fixes for Qdrant including point update deferral and Gridstore flush optimizations.

Mar 27, 2026

A Metropolis quality update introducing ESA WorldCover satellite textures, new languages, and performance improvements for Bedrock Edition saves.

Mar 27, 2026

Introduces MongoDB support for datasets and experiments, adds Okta authentication and RBAC, and improves Observational Memory with token-based model selection.

Mar 26, 2026