--- title: Elastic Distribution of OpenTelemetry iOS release notes description: Release notes for the Elastic Distribution of OpenTelemetry iOS (previously Elastic APM Agent for iOS). url: https://www.elastic.co/elastic/docs-builder/docs/4120/release-notes/edot/sdks/ios products: - APM Agent - Elastic Cloud Serverless - Elastic Distribution of OpenTelemetry SDK - Elastic Distribution of OpenTelemetry iOS - Elastic Observability applies_to: - Serverless Observability projects: Generally available - Elastic Stack: Generally available --- # Elastic Distribution of OpenTelemetry iOS release notes Review the changes, fixes, and more in each version of Elastic Distribution of OpenTelemetry iOS. To check for security updates, go to [Security announcements for the Elastic stack](https://discuss.elastic.co/c/announcements/security-announcements/31). ## 2.1.0 **Release date:** September 11, 2026 ### Features and enhancements - Emit `app.installation.id` as a UUID persisted for the lifetime of the install [#388](https://github.com/elastic/apm-agent-ios/pull/388) - Update default telemetry names to current OpenTelemetry semantic conventions, and add `useLegacyAttributeNames` to restore the previous names [#377](https://github.com/elastic/apm-agent-ios/pull/377) - Default the OTLP transport to HTTP. gRPC remains available through `useConnectionType(.grpc)` [#372](https://github.com/elastic/apm-agent-ios/pull/372) - Deprecate the `ElasticAttributes` constants in favor of OpenTelemetry semantic-convention constants [#377](https://github.com/elastic/apm-agent-ios/pull/377) - Raise the OpenTelemetry-Swift dependency floor to 2.4.1 - Require an explicit OTLP export URL with an `http` or `https` scheme and a host before an enabled agent starts. Do not fall back to a localhost endpoint [#372](https://github.com/elastic/apm-agent-ios/pull/372) ### Fixes - Decode central configuration sample rate from `session_sample_rate` [#391](https://github.com/elastic/apm-agent-ios/pull/391) - Exclude SDK-owned export and management requests from URLSession tracing [#387](https://github.com/elastic/apm-agent-ios/pull/387) - Prefer delta aggregation temporality for counters and histograms [#384](https://github.com/elastic/apm-agent-ios/pull/384) - Isolate persisted traces, metrics, and logs by signal [#376](https://github.com/elastic/apm-agent-ios/pull/376) - Harden network connection status initialization [#389](https://github.com/elastic/apm-agent-ios/pull/389) ## 2.0.2 **Release date:** July 28, 2026 ### Features and enhancements - Require swift-nio-ssl 2.37.2 or later to ensure builds resolve an up-to-date version [#362](https://github.com/elastic/apm-agent-ios/pull/362) ## 2.0.1 **Release date:** May 20, 2026 ### Features and enhancements - [Breaking] Disable MetricKit instrumentation and make `withAppMetricInstrumentation` a deprecated no-op because it is incompatible with OpenTelemetry-Swift 2.x metrics [#349](https://github.com/elastic/apm-agent-ios/pull/349) ## 2.0.0 **Release date:** February 24, 2026 ### Features and enhancements - [Breaking] Update OpenTelemetry-Swift from 1.17.0 to 2.x and use the new `opentelemetry-swift-core` package for the API and SDK [#321](https://github.com/elastic/apm-agent-ios/pull/321) - [Breaking] Remove `AgentConfigBuilder.addMetricFilter` and custom metric signal filtering due to upstream metrics API changes [#321](https://github.com/elastic/apm-agent-ios/pull/321) - Deprecate MetricKit instrumentation because it is incompatible with OpenTelemetry-Swift 2.x metrics [#321](https://github.com/elastic/apm-agent-ios/pull/321) ## 1.4.0 ### Features and enhancements - OpAMP support [#290](https://github.com/elastic/apm-agent-ios/pull/290) ### Fixes - Respect custom exportUrl path [#310](https://github.com/elastic/apm-agent-ios/pull/310) ## 1.3.0 **Release date:** August 25, 2025 ### Features and enhancements - [Breaking] Raise the minimum requirements to Swift 5.10, iOS 16, macOS 13, tvOS 16, and watchOS 10 [#281](https://github.com/elastic/apm-agent-ios/pull/281) - Updated OpenTelemetry-Swift to version 1.17.0 - Allow signal filters to be mutable [#266](https://github.com/elastic/apm-agent-ios/pull/266) - Added mutableLogRecord so attributes can be appended during filtering [#271](https://github.com/elastic/apm-agent-ios/pull/271) - Adds support for custom collector paths [#267](https://github.com/elastic/apm-agent-ios/pull/276) - Signal interceptors [#283](https://github.com/elastic/apm-agent-ios/pull/283) ## 1.2.1 **Release date:** February 21, 2025 ### Features and enhancements - Updated OpenTelemetry-Swift to version 1.13.0 ### Fixes - Make crash reports respect the configured connection type [#249](https://github.com/elastic/apm-agent-ios/pull/249) ## 1.2.0 ### Features and enhancements - Bumped Reachability to version 5.2.4 [#245](https://github.com/elastic/apm-agent-ios/pull/245) - Updated OpenTelemetry-Swift to version 1.12.1 ## 1.1.0 ### Features and enhancements - Updated OpenTelemetry-Swift to version 1.11.0 ## 1.0.5 ### Fixes - Fixes HTTP connection type [#239](https://github.com/elastic/apm-agent-ios/pull/239) ## 1.0.4 ### Fixes - Updated privacy manifest [#233](https://github.com/elastic/apm-agent-ios/pull/233) ## 1.0.3 ### Features and enhancements - Added options to use HTTP instead of GRPC for Exporters [#228](https://github.com/elastic/apm-agent-ios/pull/228) ### Fixes - Fixed ntp clock logging to only occur once. [#229](https://github.com/elastic/apm-agent-ios/pull/229) ## 1.0.2 ### Features and enhancements - Added Privacy Manifest file [#217](https://github.com/elastic/apm-agent-ios/pull/217). ## 1.0.1 ### Fixes - Fixed memory leaks related to NTP usage [#212](https://github.com/elastic/apm-agent-ios/pull/212). ## 1.0.0 ### Features and enhancements - Added network status to all signals [#202](https://github.com/elastic/apm-agent-ios/pull/202). - Added session.id to crash reports [#197](https://github.com/elastic/apm-agent-ios/pull/197).