npm / pino-opentelemetry-transport
pino-opentelemetry-transport
What changed in pino-opentelemetry-transport 1 to 4, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-27.
7 breaking1 behavior and defaults1 fixes and other
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli initpino-opentelemetry-transport 42 changes
Breaking changes 1
otlp-logger is no longer a transitive dependency; consumers must install the OpenTelemetry dependencies themselves.
Fixes and other changes 1
The shim was adapted to sdk-logs 0.220 processor options.
pino-opentelemetry-transport 31 changes
Breaking changes 1
This environment variable now controls resource detection, which may change behavior for users who had it set for other instrumentation.
pino-opentelemetry-transport 22 changes
Breaking changes 2
Node 18 support is dropped; Node.js 20+ is required.
Support for pino versions below 10 is dropped; pino ^10.0.0 is required.
pino-opentelemetry-transport 14 changes
Breaking changes 3
Removes the messageKey option; custom message keys are supported through config sent by pino.
Requires peerDependency pino ^8.21.0 or ^9.0.0.
Severity text now uses the log level name instead of the OTel short name.
Behavior and default changes 1
Uses config sent by pino to support custom message keys and log levels.