Release version 0.21.0

v0.21.0 Beta

🛑 Breaking changes 🛑

• Remove deprecated function IsValid from trace/span ID (#2522)
• Remove accessors for deprecated status code (#2521)

💡 Enhancements 💡

• otlphttp exporter: Add compression option for gzip encoding of outgoing http requests (#2502)
• Add ScrapeErrors struct to consumererror to simplify errors usage (#2414)
• Add cors_allowed_headers option to confighttp (#2454)
• Add SASL/SCRAM authentication mechanism on kafka receiver and exporter (#2503)

🧰 Bug fixes 🧰

• otlp receiver: Sets the correct deprecated status code before sending data to the pipeline (#2521)
• Fix IsPermanent to account for wrapped errors (#2455)
• otlp exporter: Preserve original error messages (#2459)

Note

As a precautionary measure against the codecov incident, we've rebuilt the binaries, packages and docker images for this release. Please update your builds and checksums.

Release version 0.20.0

v0.20.0 Beta

🛑 Breaking changes 🛑

• Move samplingprocessor/probabilisticsamplerprocessor to probabilisticsamplerprocessor (#2392), affects only user who import the code.

💡 Enhancements 💡

• hostmetrics receiver: Refactor to use metrics metadata utilities (#2405, #2406, #2421)
• Add k8s.node semantic conventions (#2425)

Note

As a precautionary measure against the codecov incident, we've rebuilt the binaries, packages and docker images for this release. Please update your builds and checksums.

Release version 0.19.0

v0.19.0 Beta

🛑 Breaking changes 🛑

• Remove deprecated queued_retry processor
• Remove deprecated configs from resource processor: type (set "opencensus.type" key in "attributes.upsert" map instead) and labels (use "attributes.upsert" instead).

💡 Enhancements 💡

• hostmetrics receiver: Refactor load metrics to use generated metrics (#2375)
• Add uptime to the servicez debug page (#2385)
• Add new semantic conventions for AWS (#2365)

🧰 Bug fixes 🧰

• jaeger exporter: Improve connection state logging (#2239)
• pdatagen: Fix slice of values generated code (#2403)
• filterset processor: Avoid returning always nil error in strict filterset (#2399)

Release version 0.18.0

v0.18.0 Beta

🛑 Breaking changes 🛑

• Rename host metrics according to metrics spec and rename swap scraper to paging (#2311)

💡 Enhancements 💡

• Add check for NO_WINDOWS_SERVICE environment variable to force interactive mode on Windows (#2272)
• hostmetrics receiver: Add disk/weighted_io_time metric (Linux only) (#2312)
• opencensus exporter: Add queue-retry (#2307)
• filter processor: Filter metrics using resource attributes (#2251)

🧰 Bug fixes 🧰

• fluentforward receiver: Fix string conversions (#2314)
• Fix zipkinv2 translation error tag handling (#2253)

Release version 0.17.0

v0.17.0 Beta

💡 Enhancements 💡

• Default config environment variable expansion (#2231)
• prometheusremotewrite exporter: Add batched exports (#2249)
• memorylimiter processor: Introduce soft and hard limits (#2250)

🧰 Bug fixes 🧰

• Fix nits in pdata usage (#2235)
• Convert status to not be a pointer in the Span (#2242)
• Report the error from pprof.StartCPUProfile (#2263)
• Rename service.Application.SignalTestComplete to Shutdown (#2277)

Release version 0.16.0

v0.16.0 Beta

🛑 Breaking changes 🛑

• Rename Push functions to be consistent across signals in exporterhelper (#2203)

💡 Enhancements 💡

• Change default OTLP/gRPC port number to 4317, also continue receiving on legacy port
  55680 during transition period (#2104).
• kafka exporter: Add support for exporting metrics as otlp Protobuf. (#1966)
• Move scraper helpers to its own scraperhelper package (#2185)
• Add componenthelper package to help build components (#2186)
• Remove usage of custom init/stop in scraper and use start/shutdown from component (#2193)
• Add more trace annotations, so zpages are more useful to determine failures (#2206)
• Add support to skip TLS verification (#2202)
• Expose non-nullable metric types (#2208)
• Expose non-nullable elements from slices of pointers (#2200)

🧰 Bug fixes 🧰

• Change InstrumentationLibrary to be non-nullable (#2196)
• Add support for slices to non-pointers, use non-nullable AnyValue (#2192)
• Fix --set flag to work with {} in configs (#2162)

Release version 0.15.0

v0.15.0 Beta

🛑 Breaking changes 🛑

• Remove legacy metrics, they were marked as legacy for ~12 months #2105

💡 Enhancements 💡

• Implement conversion between OpenCensus and OpenTelemetry Summary Metric (#2048)
• Add ability to generate non nullable messages (#2005)
• Implement Summary Metric in Prometheus RemoteWrite Exporter (#2083)
• Add resource_to_telemetry_conversion to exporter helper expose exporter settings (#2060)
• Add CustomRoundTripper function to httpclientconfig (#2085)
• Allow for more logging options to be passed to service (#2132)
• Add config parameters for jaeger receiver (#2068)
• Map unset status code for jaegar translator as per spec (#2134)
• Add more trace annotations to the queue-retry logic (#2136)
• Add config settings for component telemetry (#2148)
• Use net.SplitHostPort for IPv6 support in prometheus receiver (#2154)
• Add --log-format command line option (default to "console") #2177.

🧰 Bug fixes 🧰

• logging exporter: Add Logging for Summary Datapoint (#2084)
• hostmetrics receiver: use correct TCP state labels on Unix systems (#2087)
• Fix otlp_log receiver wrong use of trace measurement (#2117)
• Fix "process/memory/rss" metric units (#2112)
• Fix "process/cpu_seconds" metrics (#2113)
• Add check for nil logger in exporterhelper functions (#2141)
• prometheus receiver:
  • Upgrade Prometheus version to fix race condition (#2121)
  • Fix the scraper/discover manager coordination (#2089)
  • Fix panic when adjusting buckets (#2168)

Release version 0.14.0

v0.14.0 Beta

🚀 New components 🚀

• otlphttp exporter which implements OTLP over HTTP protocol.

🛑 Breaking changes 🛑

• Rename consumer.TraceConsumer to consumer.TracesConsumer #1974
• Rename component.TraceReceiver to component.TracesReceiver #1975
• Rename component.TraceProcessor to component.TracesProcessor #1976
• Rename component.TraceExporter to component.TracesExporter #1975
• Deprecate NopExporter, add NopConsumer (#1972)
• Deprecate SinkExporter, add SinkConsumer (#1973)
• Move tailsampling processor to contrib (#2012)
• Remove NewAttributeValueSlice (#2028) and mark NewAttributeValue as deprecated (#2022)
• Remove pdata.StringValue (#2021)
• Remove pdata.InitFromAttributeMap, use CopyTo if needed (#2042)
• Remove SetMapVal and SetArrayVal for pdata.AttributeValue (#2039)

💡 Enhancements 💡

• zipkin exporter: Add queue retry to zipkin (#1971)
• prometheus exporter: Add send_timestamps option (#1951)
• filter processor: Add expr pdata.Metric filtering support (#1940, #1996)
• attribute processor: Add log support (#1934)
• logging exporter: Add index for histogram buckets count (#2009)
• otlphttp exporter: Add correct handling of server error responses (#2016)
• prometheusremotewrite exporter:
  • Add user agent header to outgoing http request (#2000)
  • Convert histograms to cumulative (#2049)
  • Return permanent errors (#2053)
  • Add external labels (#2044)
• hostmetrics receiver: Use scraper controller (#1949)
• Change Span/Trace ID to be byte array (#2001)
• Add simple metrics helper to facilitate building pdata.Metrics in receivers (#1540)
• Improve diagnostic logging for exporters (#2020)
• Add obsreport to receiverhelper scrapers (#1961)
• Update OTLP to 0.6.0 and use the new Span Status code (#2031)
• Add support of partial requests for logs and metrics to the exporterhelper (#2059)

🧰 Bug fixes 🧰

• logging exporter: Added array serialization (#1994)
• zipkin receiver: Allow receiver to parse string tags (#1893)
• batch processor: Fix shutdown race (#1967)
• Guard for nil data points (#2055)

Release version 0.13.0

v0.13.0 Beta

🛑 Breaking changes 🛑

• Host metric system.disk.time renamed to system.disk.operation_time (#1887)
• Use consumer for sender interface, remove unnecessary receiver address from Runner (#1941)
• Enable sending queue by default in all exporters configured to use it (#1924)
• Removed groupbytraceprocessor (#1891)
• Remove ability to configure collection interval per scraper (#1947)

💡 Enhancements 💡

• Host Metrics receiver now reports both system.disk.io_time and system.disk.operation_time (#1887)
• Match spans against the instrumentation library and resource attributes (#928)
• Add receiverhelper for creating flexible "scraper" metrics receiver (#1886, #1890, #1945, #1946)
• Migrate tailsampling processor to new OTLP-based internal data model and add Composite Sampler (#1894)
• Metadata Generator: Change Metrics fields to implement an interface with new methods (#1912)
• Add unmarshalling for pdata.Traces (#1948)
• Add debug-level message on error for jaeger exporter (#1964)

🧰 Bug fixes 🧰

• Fix bug where the service does not correctly start/stop the log exporters (#1943)
• Fix Queued Retry Unusable without Batch Processor (#1813) - (#1930)
• prometheus receiver: Log error message when process_start_time_seconds gauge is missing (#1921)
• Fix trace jaeger conversion to internal traces zero time bug (#1957)
• Fix panic in otlp traces to zipkin (#1963)
• Fix OTLP/HTTP receiver's path to be /v1/traces (#1979)

Release version 0.12.0

🚀 New components 🚀

• configauth package with the auth settings that can be used by receivers (#1807, #1808, #1809, #1810)
• perfcounters package that uses perflib for host metrics receiver (#1835, #1836, #1868, #1869, #1870)

💡 Enhancements 💡

• Remove queued_retry and enable otlp metrics receiver in default config (#1823, #1838)
• Add limit_percentage and spike_limit_percentage options to memorylimiter processor (#1622)
• hostmetrics receiver:
  • Collect additional labels from partitions in the filesystems scraper (#1858)
  • Add filters for mount point and filesystem type (#1866)
• Add cloud.provider semantic conventions (#1865)
• attribute processor: Add log support (#1783)
• Deprecate OpenCensus-based internal data structures (#1843)
• Introduce SpanID data type, not yet used in Protobuf messages ($1854, #1855)
• Enable otlp trace by default in the released docker image (#1883)
• tailsampling processor: Combine batches of spans into a single batch (#1864)
• filter processor: Update to use pdata (#1885)
• Allow MSI upgrades (#1914)

🧰 Bug fixes 🧰

• prometheus receiver: Print a more informative message about 'up' metric value (#1826)
• Use custom data type and custom JSON serialization for traceid (#1840)
• Skip creation of redundant nil resource in translation from OC if there are no combined metrics (#1803)
• tailsampling processor: Only send to next consumer once (#1735)
• Report Windows pagefile usage in bytes (#1837)
• Fix issue where Prometheus SD config cannot be parsed (#1877)