August 26, 2026

Mastra releases published August 26, 2026. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Highlights Trace-correlated logging via the new logger adapter contract A new AdaptableLogger contract in @mastra/core/logger standardizes trace correlation by injecting trace id / span id into native log records during traced operations, and deriving observability LogEvent s from the same record. Mastra now supports loggerOptions to control correlation and log export, and the legacy dual-write wrapper path is deprecated. First-class Pino integration with trace context in every transport @mastra/loggers ’ PinoLogger now implements the adapter contract, so trace fields are added via a pino mixin to stdout, files, and custom transports—while preserving user mixin fields. This aligns native application logs with Mastra observability without separate logging pipelines. More reliable trace/log linking for non-exported spans (no more “Span not found”) Across @mastra/core and…

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