Release History: opentelemetry-metrics-sdk

v0.8.0 / 2025-08-14

• BREAKING CHANGE: Update default aggregation temporality for counter, histogram, and up down counter to cumulative

• ADDED: Support asynchronous instruments: ObservableGauge, ObservableCounter and ObservableUpDownCounter

• FIXED: Validate scale range on exponential histograms and raise exception if out of bounds

• FIXED: Update max instrument name length from 63 to 255 characters and allow / in instrument names

• FIXED: Validate scale range and raise exception if out of bounds for exponential histograms

v0.7.3 / 2025-07-09

• FIXED: Stop exporting metrics with empty data points

v0.7.2 / 2025-07-03

• FIXED: Coerce aggregation temporality to be a symbol for exponential histograms

v0.7.1 / 2025-05-28

• FIXED: Recover periodic metric readers after forking

v0.7.0 / 2025-05-13

• ADDED: Add basic exponential histogram

v0.6.1 / 2025-04-09

• FIXED: Use condition signal to replace sleep and remove timeout.timeout…

v0.6.0 / 2025-02-25

• ADDED: Support 3.1 Min Version

• FIXED: Add is_monotonic flag to sum

v0.5.0 / 2025-01-08

• ADDED: Add synchronous gauge

v0.4.1 / 2024-12-04

• FIXED: Handle float value in NumberDataPoint

v0.4.0 / 2024-11-20

• ADDED: Update metrics configuration patch

v0.3.0 / 2024-10-22

• ADDED: Add basic metrics view

• FIXED: Coerce aggregation_temporality to symbol

• FIXED: Add warning if invalid meter name given

v0.2.0 / 2024-08-27

• ADDED: Add basic periodic exporting metric_reader

v0.1.0 / 2024-07-31

Initial release.