Copy as Markdown[Open in ChatGPT](https://chatgpt.com/?q=Read%20https%3A%2F%2Fdocs-docusaurus.kinsta.page%2Fuser-guides%2Frum%2Fsdk-installation%2Fjavascript%2Frelease-notes.md%20and%20help%20me%20with%20my%20question%20about%20this%20Coralogix%20documentation%20page.)[Open in Claude](https://claude.ai/new?q=Read%20https%3A%2F%2Fdocs-docusaurus.kinsta.page%2Fuser-guides%2Frum%2Fsdk-installation%2Fjavascript%2Frelease-notes.md%20and%20help%20me%20with%20my%20question%20about%20this%20Coralogix%20documentation%20page.) # RUM Browser SDK changelog Jun 25, 2026 Browser SDK 3.16.0 Added support for configuring fetch priority on SDK network requests. Jun 23, 2026 Browser SDK 3.15.1 Improved user-interaction tracking accuracy. Jun 22, 2026 Browser SDK 3.15.0 Improved user-interaction tracking with smarter element fingerprinting and more accurate screenshot capture on clicks and navigation. Jun 14, 2026 Browser SDK 3.14.0 Telemetry data now flushes on tab close, with `fetch` keepalive support. Jun 11, 2026 Browser SDK 3.13.0 Improved user-interaction tracking with click and scroll coordinates, and viewport context. Jun 9, 2026 Browser SDK 3.12.0 Added screenshot capture on each unique view navigation. Jun 8, 2026 Browser SDK 3.11.1 Added SVG element support in session recording and fixed session recording after refreshing the page. Jun 4, 2026 Browser SDK 3.11.0 Added view number tracking for product analytics support. Jun 2, 2026 Browser SDK 3.10.1 Improved `beforeSend` to correctly reflect modifications in OpenTelemetry span attributes. **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-features/enhance-and-manage-browser-rum-data-with-beforesend/.md)** May 25, 2026 Browser SDK 3.10.0 Improved user interaction instrumentation with richer element metadata. May 19, 2026 Browser SDK 3.9.0 Enriched spans with RUM context (`cx_rum`) to improve RUM-to-tracing correlation. **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-features/trace-capturing/.md)** May 10, 2026 Browser SDK 3.8.3 Improved web vitals attribution data by preventing deep nesting. May 6, 2026 Browser SDK 3.8.2 Web vitals listeners now run outside the zone. May 6, 2026 Browser SDK 3.8.1 Improved error stack trace handling. Apr 27, 2026 Browser SDK 3.8.0 Added support for excluding specific instrumentations from session sampling. Apr 26, 2026 Browser SDK 3.7.1 Added support for error logging of non-JSON-serializable error properties. Apr 19, 2026 Browser SDK 3.7.0 Improved session recording with the `immediateFlush` option to capture short-duration sessions (under 10 seconds). **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-installation/javascript/npm-browser/.md)** Apr 9, 2026 Browser SDK 3.6.0 Added support for the US3 Coralogix domain. **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-installation/javascript/npm-browser/.md)** Apr 6, 2026 Browser SDK 3.5.1 Improved stack trace truncation. Mar 26, 2026 Browser SDK 3.5.0 SDK web APIs now run outside `zone.js` by default for Angular applications. Mar 25, 2026 Browser SDK 3.4.1 Improved MFE (Micro-Frontend) stack trace metadata extraction stability and fixed a potential infinite loop in navigation tracking. Feb 26, 2026 Browser SDK 3.4.0 Added numeric ID grouping to the default URL blueprinter. Feb 24, 2026 Browser SDK 3.3.0 Enriched spans with RUM context (`cx_rum`) to improve RUM-to-tracing correlation. Feb 5, 2026 Browser SDK 3.2.0 Added a new zoneless CDN build for Angular consumers. Feb 1, 2026 Browser SDK 3.1.1 Improved error instrumentation stability and performance. Jan 25, 2026 Browser SDK 3.1.0 Added optimized mutation handling in the session recorder. Jan 20, 2026 Browser SDK 3.0.2 Reverted a mutation counter limit that could cause incomplete session recordings. Jan 18, 2026 Browser SDK 3.0.1 Improved session recorder performance. Dec 25, 2025 Browser SDK 3.0.0 **Breaking change:** the Total Blocking Time (TBT) web vitals metric is no longer collected by default, reducing overhead. Enable it explicitly if you need it. Dec 7, 2025 Browser SDK 2.14.0 Added stack traces to console error logs. Dec 7, 2025 Browser SDK 2.13.0 Improved trace metadata encoding. Nov 30, 2025 Browser SDK 2.12.0 Introduced the `tracesExporter` callback, enabling custom processing or exporting of collected trace events. **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-features/trace-exporter/.md)** Nov 24, 2025 Browser SDK 2.11.1 Snapshot context is now triggered when `setUserContext` is called. Nov 23, 2025 Browser SDK 2.11.0 Added support for a custom propagator. Nov 17, 2025 Browser SDK 2.10.1 Fixed URL encoding of template placeholders in page fragments. Sep 14, 2025 Browser SDK 2.10.0 Added `ignoreProxyUrlParams`, which lets you skip appending the Coralogix endpoint to the proxy URL. Aug 18, 2025 Browser SDK 2.9.0 Added a user fingerprint. The fingerprint is generated and stored on each user's machine for reuse. Jul 24, 2025 Browser SDK 2.8.9 Improved SDK shutdown handling. Jul 20, 2025 Browser SDK 2.8.8 Added Web Worker monitoring support. Jun 30, 2025 Browser SDK 2.8.7 Added `sessionId` to span attributes, fixed network span additions, and improved global span handling in idle mode. Jun 26, 2025 Browser SDK 2.8.6 Bundle size optimization, including bundling libraries from CommonJS to ESM. Jun 25, 2025 Browser SDK 2.8.5 Added missing `PerformanceNavigationTiming` fields to the load time (LT) event. May 29, 2025 Browser SDK 2.8.4 Traceparent propagation enhancements, improved span creation, and switched internal warnings to debug level. May 22, 2025 Browser SDK 2.8.3 Optimized user agent parsing. May 21, 2025 Browser SDK 2.8.2 Omitted the INP attribution property to reduce log payload size. May 19, 2025 Browser SDK 2.8.1 Fixed user interaction instrumentation from always being enabled. May 11, 2025 Browser SDK 2.8.0 Added CDN builds (ES5 and ES2015). May 5, 2025 Browser SDK 2.7.0 Added Web Worker error handling. May 4, 2025 Browser SDK 2.6.0 Added npm compatibility for older browsers. Apr 29, 2025 Browser SDK 2.5.0 Added CDN compatibility for older browsers. Apr 29, 2025 Browser SDK 2.4.2 Added support for Smart TV user agents. Apr 14, 2025 Browser SDK 2.4.1 Reduced false recording sessions sent to the API. Apr 8, 2025 Browser SDK 2.4.0 Added support for passing labels to the custom logs API (`log`, `warn`, `debug`, and others). Apr 1, 2025 Browser SDK 2.3.0 Lazy loading of the session recorder for improved load time and reduced bundle size. Mar 18, 2025 Browser SDK 2.2.0 Improved Performance Observer compatibility. Feb 18, 2025 Browser SDK 2.1.0 Improved initialization for server-side rendering (SSR) applications. Jan 29, 2025 Browser SDK 2.0.0 **Breaking change:** optimized the SDK with rollup bundling and added ES5 support. Import paths changed (for example, from `@coralogix/browser/src/types-external` to `@coralogix/browser`). Jan 21, 2025 Browser SDK 1.7.0 Reverted rollup bundling due to unexpected issues. Jan 19, 2025 Browser SDK 1.6.0 Bundled the project with rollup and added ES5 support. Jan 9, 2025 Browser SDK 1.5.0 Added a changelog mechanism. Jan 9, 2025 Browser SDK 1.4.19 Added custom spans, plus custom data and labels for captured errors. **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-features/custom-spans/.md)** Dec 18, 2024 Browser SDK 1.4.12 Fixed a missing `pako` dependency in the worker. Dec 17, 2024 Browser SDK 1.4.11 Hotfix for the TTI import. Dec 17, 2024 Browser SDK 1.4.9 Added support for MFE (Micro-Frontend). **[Learn more](https://docs-docusaurus.kinsta.page/user-guides/rum/sdk-features/micro-frontend-error-tracking/.md)** Dec 9, 2024 Browser SDK 1.4.4 Removed fetch resources, implemented `allowHeaders` for `FetchInstrumentation`, and added screenshots and start/end time measurements. Nov 12, 2024 Browser SDK 1.2.40 Ensured `proxyUrl` is added to `ignoreUrls`. Nov 10, 2024 Browser SDK 1.2.39 Allowed the traceparent header to be sent when the sample rate is 0. Nov 4, 2024 Browser SDK 1.2.36 Fixed OpenTelemetry labels. Oct 31, 2024 Browser SDK 1.2.35 Added TTI metric reporting and fixed an SDK masking bug. Oct 29, 2024 Browser SDK 1.2.31 Switched to a self-hosted worker for session recording. Oct 20, 2024 Browser SDK 1.2.29 Memory usage improvements. Oct 14, 2024 Browser SDK 1.2.28 Masking now applies only to clickable elements. Oct 10, 2024 Browser SDK 1.2.25 Removed lazy loading propagators and added advanced sampling. Oct 9, 2024 Browser SDK 1.2.23 Added timing, custom measurement, and allowed tracing URLs. Sep 26, 2024 Browser SDK 1.2.19 TBT refactor. Sep 18, 2024 Browser SDK 1.2.17 `captureError` now reports on handled errors. Sep 18, 2024 Browser SDK 1.2.16 Added page referer and soft navigation support. Sep 11, 2024 Browser SDK 1.2.14 Added support for multi-page applications. Aug 19, 2024 Browser SDK 1.2.10 Fixed page fragments that contain an anchor (`#`) in the URL. Jun 20, 2024 Browser SDK 1.1.17 Added snapshot context end.