* Add getActiveSpan to trace API ([#163](https://www.github.com/open-telemetry/opentelemetry-js-api/issues/163)) ([17ccb3a](https://www.github.com/open-telemetry/opentelemetry-js-api/commit/17ccb3a4e385bc5769ded6fc742c9782a93244a5))
* add tracestate implementation to api ([#147](https://www.github.com/open-telemetry/opentelemetry-js-api/issues/147)) ([82842c7](https://www.github.com/open-telemetry/opentelemetry-js-api/commit/82842c7097614e6ece99e73838ac5e94ff5460b7))
* define common attributes type ([#142](https://www.github.com/open-telemetry/opentelemetry-js-api/issues/142)) ([ae9bead](https://www.github.com/open-telemetry/opentelemetry-js-api/commit/ae9bead17750d35dec4b63cfae098087666abc85))
* **trace:** add optional schema url to TracerProvider.getTracer ([#129](https://www.github.com/open-telemetry/opentelemetry-js-api/issues/129)) ([aa65fc6](https://www.github.com/open-telemetry/opentelemetry-js-api/commit/aa65fc66809d45090d6e4951c265386d17ccc6f6))
* remove all circular dependencies ([#119](https://www.github.com/open-telemetry/opentelemetry-js-api/issues/119)) ([a8083e8](https://www.github.com/open-telemetry/opentelemetry-js-api/commit/a8083e84b23227828745da80fd5fe512357dd34b))
## 1.0.2
### :bug: Bug Fix
* [#105](https://github.com/open-telemetry/opentelemetry-js-api/pull/105) fix: set delegate after successful registration ([@Flarna](https://github.com/Flarna))
* [#94](https://github.com/open-telemetry/opentelemetry-js-api/pull/94) fix: enforce strict equality on prerelease versions ([@dyladan](https://github.com/dyladan))
### :memo: Documentation
* [#106](https://github.com/open-telemetry/opentelemetry-js-api/pull/106) docs: fix crash in README example ([@trentm](https://github.com/trentm))
* [#101](https://github.com/open-telemetry/opentelemetry-js-api/pull/101) docs: Format example for tracer.startActiveSpan ([@ad-m](https://github.com/ad-m))
* [#99](https://github.com/open-telemetry/opentelemetry-js-api/pull/99) chore: fix link to API docs ([@dyladan](https://github.com/dyladan))
### :house: Internal
* [#109](https://github.com/open-telemetry/opentelemetry-js-api/pull/109) internal: add missing approvers from core ([@dyladan](https://github.com/dyladan))
* [#103](https://github.com/open-telemetry/opentelemetry-js-api/pull/103) chore: reuse NoopTracer in ProxyTracer ([@Flarna](https://github.com/Flarna))
### Committers: 4
* Adam Dobrawy ([@ad-m](https://github.com/ad-m))
* Daniel Dyla ([@dyladan](https://github.com/dyladan))
* Gerhard Stöbich ([@Flarna](https://github.com/Flarna))
* Daniel Dyla ([@dyladan](https://github.com/dyladan))
* Gerhard Stöbich ([@Flarna](https://github.com/Flarna))
## 0.21.0
### :boom: Breaking Change
* [#78](https://github.com/open-telemetry/opentelemetry-js-api/pull/78) feat: unify signatures of `with` and `bind` ([@Rauno56](https://github.com/Rauno56))
* [#46](https://github.com/open-telemetry/opentelemetry-js-api/pull/46) chore: do not export singletons ([@dyladan](https://github.com/dyladan))
### :rocket: Enhancement
* [#81](https://github.com/open-telemetry/opentelemetry-js-api/pull/81) chore: function overloads implementation of startActiveSpan in noop t… ([@naseemkullah](https://github.com/naseemkullah))
* [#58](https://github.com/open-telemetry/opentelemetry-js-api/pull/58) chore: use spancontext for link ([@dyladan](https://github.com/dyladan))
* [#47](https://github.com/open-telemetry/opentelemetry-js-api/pull/47) chore: move span method for context in trace API #40 ([@vmarchaud](https://github.com/vmarchaud))
* [#45](https://github.com/open-telemetry/opentelemetry-js-api/pull/45) chore: rename `span#context()` to `span#spanContext` ([@dyladan](https://github.com/dyladan))
* [#43](https://github.com/open-telemetry/opentelemetry-js-api/pull/43) chore: renaming noop span to non recording span ([@obecny](https://github.com/obecny))
* [#32](https://github.com/open-telemetry/opentelemetry-js-api/pull/32) feat!: return boolean success value from setGlobalXXX methods ([@dyladan](https://github.com/dyladan))
* [#58](https://github.com/open-telemetry/opentelemetry-js-api/pull/58) chore: use spancontext for link ([@dyladan](https://github.com/dyladan))
* [#51](https://github.com/open-telemetry/opentelemetry-js-api/pull/51) feat: add function to wrap SpanContext in NonRecordingSpan #49 ([@dyladan](https://github.com/dyladan))
### :memo: Documentation
* [#64](https://github.com/open-telemetry/opentelemetry-js-api/pull/64) chore: document the reason for symbol.for ([@dyladan](https://github.com/dyladan))
* [#44](https://github.com/open-telemetry/opentelemetry-js-api/pull/44) chore: updating readme headline and fixing links ([@obecny](https://github.com/obecny))
### Committers: 6
* Bartlomiej Obecny ([@obecny](https://github.com/obecny))
* Daniel Dyla ([@dyladan](https://github.com/dyladan))
* Gerhard Stöbich ([@Flarna](https://github.com/Flarna))
* Daniel Dyla ([@dyladan](https://github.com/dyladan))
## 0.18.1
### :bug: Bug Fix
* [#16](https://github.com/open-telemetry/opentelemetry-js-api/pull/16) fix: Reverse the direction of the semver check ([@dyladan](https://github.com/dyladan))
### Committers: 1
* Daniel Dyla ([@dyladan](https://github.com/dyladan))
* [#10](https://github.com/open-telemetry/opentelemetry-js-api/pull/10) Use semver to determine API compatibility ([@dyladan](https://github.com/dyladan))