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Browser agent release notesRSS

January 8
Browser agent v1.308.0

v1.308.0

Features

add support for mfe tags with the register API

Adds support for adding entity tags through the usage of the register API

add child.id attribute to facilitate MFE cross-linking

Adds a child.id attribute to duplicated data to facilitate future cross-linking in the UI

Add "deregister" API

Adds support for deregistering a registered entity, for use with the upcoming Micro Front End support initiative.

add parent.type attribute to facilitate relationship synthesis

Adds the required parent.type attribute for future relationship synthesis during MFE ingest.

Add default close reason

Add a default close reason of unknown to WebSocket events whose close reason could not be determined.

Bug fixes

enforce non-null values on the numeric fields

Ensure that numeric fields are always reported on WebSocket events by defaulting to 0 instead of undefined

Clean WebSocket URLs

Remove hash fragments and query params from URLs reported on WebSocket events

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.308.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 133-143, Edge 133-143, Safari 17-26, and Firefox 136-146. For mobile devices, v1.308.0 was built and tested for Android OS 16 and iOS Safari 17-26.

January 6
Browser agent v1.307.0

버전 1.307.0

특징

소프트 내비게이션 기능을 기본 SPA에 적용하세요

소프트 내비게이션 기능은 이제 SPA에서 필수적으로 실행되는 기능입니다. 이번 업데이트부터는 기존의 SPA 기능을 선택하거나 사용할 수 없습니다.

setUserId() API에 resetSession 옵션을 추가합니다.

setUserId() API를 통해 사용자 ID를 업데이트할 때 브라우저 에이전트 세션을 재설정하는 옵션을 도입합니다.

Ajax는 와일드카드 지원 목록을 거부합니다.

AJAX 차단 목록 기능에 와일드카드 문자(*) 지원을 추가하여 차단 목록 필터에서 하나 이상의 문자를 대체할 수 있도록 합니다.

지지 성명

뉴렐릭은 에이전트를 정기적으로 업그레이드하여 최신 기능과 성능 이점을 얻을 것을 권장합니다. 이전 릴리스는 지원 종료 시점부터 더 이상 지원되지 않습니다. 출시일은 에이전트 버전의 원래 출판일을 반영합니다.

새로운 브라우저 에이전트 릴리스는 일정 기간 동안 작은 단계로 고객에게 출시됩니다. 이로 인해, 귀하의 계정에서 해당 릴리스에 접근할 수 있는 날짜가 원래 게시 날짜와 일치하지 않을 수 있습니다. 자세한 내용은 이 상태 대시보드를 참조하세요.

당사의 브라우저 지원 정책 에 따라 브라우저 에이전트 v1.307.0은 Chrome 133-143, Edge 133-143, Safari 17-26 및 Firefox 136-146 브라우저 및 버전 범위에 맞춰 개발 및 테스트되었습니다. 모바일 장치의 경우 v1.307.0이 Android OS 16 및 iOS Safari 17-26용으로 구축 및 테스트되었습니다.

December 16, 2025
Browser agent v1.306.0

v1.306.0

Features

Control log API through separate RUM flag

Logs captured by the newrelic.log method will now be configurable through settings and controlled separately from wrapped logs. This allows one to be disabled without affecting the other, as in the case that only newrelic.log is desired and not auto instrumented console.

Ensure responseStart is valid before relying on onTTFB

Adds an extra validation step to ensure that responseStart of the nav timing entry is valid before relying on onTTFB to return valid data. The web-vitals library depends on that value to operate correctly, and without a valid TTFB response, the agent will not send the RUM call. This change ensures that fallback measures are taken when responseStart is invalid, to ensure a RUM call is sent more reliably, which helps compatibility with unsupported frameworks such as ElectronJS.

Bug fixes

Remove linebreak syntax from webpack output

Removes the newline character in webpack output to avoid issues with copy-pasting our script as a string inside code.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.306.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 133-143, Edge 133-143, Safari 17-26, and Firefox 135-145. For mobile devices, v1.306.0 was built and tested for Android OS 16 and iOS Safari 17-26.

December 10, 2025
Browser agent v1.305.0

v1.305.0

Features

Improve agent compatibility with ChatGPT connector apps

Small tweaks were made to the agent to allow for better compatibility with the unique iframe constraints of ChatGPT connector applications.

Enable user frustrations for Pro/SPA agents

Officially releases dead click and error click detections for interactive elements to Pro and SPA agents.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.305.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 132-142, Edge 132-142, Safari 17-26, and Firefox 135-145. For mobile devices, v1.305.0 was built and tested for Android OS 16 and iOS Safari 17-26.

December 3, 2025
Browser agent v1.304.0

v1.304.0

Features

Warn message on session reset

Adds a warning code when an agent session reset happens so that we have better debugging on browser transition behavior.

Reduce Session Replay snapshot sizes

Use slimDOMOption = 'all' by default to reduce session replay snapshot payload sizes.

Bug fixes

Observe document.body after document is interactive

Addresses the scenario where MutationObserver.observe() was issued before document.body is available, causing Failed to execute 'observe' on 'MutationObserver': parameter 1 is not of type 'Node'. error.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.304.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 132-142, Edge 132-142, Safari 17-26, and Firefox 134-144. For mobile devices, v1.304.0 was built and tested for Android OS 16 and iOS Safari 17-26.

November 13, 2025
Browser agent v1.303.0

v1.303.0

Features

Allows the consent API to function without requiring localStorage access, by keeping common state in the agent that controls harvests. Applications must invoke the API on every hard page load when localStorage access is blocked.

Allow nested registrations

To facilitate inherent parent-child relationships with the planned register API, allow registered entities to expose their own .register() API for children of that entity to register with. Entities who register with the container agent will be related to the container. Entities that register under another registered entity will be related to both the container as well as the parent entity.

Additional validation to prepare agent for MFE registrations

Adding validation rules in the agent to prevent bad values for MFE target id and name in support of MFE/v2 registrations.

Add measure support to register API

Adds support for the measure API in the register response object. This is in support of the future micro front end offering planned.

Add useConsentModel functionality

Adds use_consent_mode init property and functionality. Adds the consent() API call. The consent model, if enabled, disallows agent harvesting unless consent is given through the consent() API call.

Retry initial connect call

To help prevent data loss, the agent will now retry the original "RUM" call an extra time for retryable status codes.

Add custom event support to register API

Adds methods for capturing custom events to the register API, to be used later when MFE support is established.

SMs for browser connect response

Adds supportability metrics for failed responses on initializing the page_view_event aggregate.

Bug fixes

Obfuscate custom attributes for logs added after PVE

Extends obfuscation to cover custom attributes on logging events added after the initial RUM/PageViewEvent harvest.

memoize promise context propagation to avoid safari hangs

Memoizes promise context propagation to prevent potential browser hangs in Safari by avoiding repeated context operations.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.303.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 131-141, Edge 131-141, Safari 17-26, and Firefox 134-144. For mobile devices, v1.303.0 was built and tested for Android OS 16 and iOS Safari 17-26.

October 24, 2025
Browser agent v1.302.0

v1.302.0

Features

Prepare agent to utilize v2 harvests for MFE registrations

Update the agent to handle harvests for registered targets to use the newly defined v2 endpoint schemas. This will act as the mechanism to handle client-side entity and relationship synthesis as well as ingest MFE specific data. This will be supported for Log, PageAction and JavaScriptError events, but is currently gated behind internal feature flags until a public preview is announced.

Bug fixes

User frustrations logic should be gated

Move user frustrations logic to browser scope only with FF gate in Generic Events instrumentation. This should avoid running extraneous wrapping logic and events related to user frustrations.

Improve accuracy in standalone AjaxRequest event start times

Adjusts a problem in the agent where start times of certain standalone AjaxRequest event payloads were reported relative to the page origin instead of relative to the first event in the payload, causing discrepancies when visualizing in NR1.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.302.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 131-141, Edge 131-141, Safari 17-26, and Firefox 134-144. For mobile devices, v1.302.0 was built and tested for Android OS 16 and iOS Safari 17-26.

October 21, 2025
Browser agent v1.301.0

v1.301.0

Features

Switch to using NR fork of rrweb

Browser agent will now switch to using New Relic's forked version of rrweb for Session Replay instead of the original repository. This will allow browser team to custom tailor hotfixes for issues.

Bug fixes

Preserve agent attributes for log payloads

Adjust browser log payloads, such that agent-reserved attributes will take precedence over user-provided values if they happen to share the same name.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.301.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 131-141, Edge 131-141, Safari 17-26, and Firefox 133-143. For mobile devices, v1.301.0 was built and tested for Android OS 16 and iOS Safari 17-26.

October 14, 2025
Browser agent v1.300.0

v1.300.0

Features

Remove usage of the marks and measures feature flag

No longer gates the agent by an internal feature flag. Measures will be enabled for all users by default unless turned off through the application settings.

Reduce hasReplay attribute false positive rate

Only set "hasReplay" attribute once a successful session replay harvest has been observed to help reduce false positives.

Bug fixes

Update typings for interaction API to reflect waitForEnd

Fixes an issue where the typing file defining the .interaction API was not decorated correctly to account for the optional waitForEnd argument as documented.

Address issues with dynamic require and Rollup.js

Fixes an issue that led Rollup.js to spawn the error Error: Could not dynamically require ... when building pages that included the MicroAgent loader.

Support statement

New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Older releases will no longer be supported when they reach end-of-life. Release dates are reflective of the original publish date of the agent version.

New browser agent releases are rolled out to customers in small stages over a period of time. Because of this, the date the release becomes accessible to your account may not match the original publish date. Please see this status dashboard for more information.

Consistent with our browser support policy, v1.300.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 131-141, Edge 131-141, Safari 17-26, and Firefox 133-143. For mobile devices, v1.300.0 was built and tested for Android OS 16 and iOS Safari 17-26.

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