Changelog

vNext

Bump msrv to 1.75.0.
Breaking time fields, StartTime and EndTime is printed on aggregation (Sum, Gauge, Histogram, ExpoHistogram) with 2 tabs, previously it was on aggregation data point, with 3 tabs, see #2377 and #2411.
Removed unused dependency on ordered-float.
Feature flag "populate-logs-event-name" is removed as no longer relevant. LogRecord's event_name() is now automatically displayed.

0.27.0

Released 2024-Nov-11

Update opentelemetry dependency version to 0.27
Update opentelemetry_sdk dependency version to 0.27
Bump MSRV to 1.70 #2179
BREAKING
- Replaced
  - (#2217): The MetricsExporterBuilder interface is modified from with_temporality_selector to with_temporality example can be seen below: Previous Signature:
```
MetricsExporterBuilder::default().with_temporality_selector(DeltaTemporalitySelector::new())
```
  Updated Signature:
```
MetricsExporterBuilder::default().with_temporality(opentelemetry_sdk::metrics::Temporality::Delta)
```
- Renamed
  - (#2255): de-pluralize Metric types.
    - MetricsExporter -> MetricExporter
    - MetricsExporterBuilder -> MetricExporterBuilder

v0.26.0

Released 2024-Sep-30

Update opentelemetry dependency version to 0.26
Update opentelemetry_sdk dependency version to 0.26

v0.25.0

Update opentelemetry dependency version to 0.25
Update opentelemetry_sdk dependency version to 0.25
Starting with this version, this crate will align with opentelemetry crate on major,minor versions.
Breaking 1994 The logrecord event-name is added as attribute with key name only if the feature flag populate-logs-event-name is enabled.
Breaking 2040 Simplified stdout exporter:
- Now only supports writing to stdout, removing ability to send telemetry to other streams.
- Output format improved for better human readability.
- Note: This exporter is intended for learning and debugging purposes only. Not recommended for production use or automated parsing.

v0.5.0

Update opentelemetry dependency version to 0.24
Update opentelemetry_sdk dependency version to 0.24

v0.4.0

Changed

The default feature now includes logs, metrics and trace.
Update opentelemetry dependency version to 0.23
Update opentelemetry_sdk dependency version to 0.23
TraceExporter fixed to print InstrumentationScope's attributes.

v0.3.0

Changed

Fix StatusCode in stdout exporter #1454
Add missing event timestamps #1391
Adjusted chrono features to reduce number of transitive dependencies. #1569

v0.2.0

Changed

Bump MSRV to 1.65 #1318
Timestamp is additionally exported in user-friendly format. #1192.
MetricExporter - Temporality is exported in user-friendly format. #1260.

v0.1.0

Added

Initial metrics and trace exporters