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Browser agent release notesRSS

March 26
Browser agent v1.254.1

v1.254.1

Bug fixes

Server Timing - Remove reliance on performance API

Removing reliance on the browser resources API for the calculation of New Relic server time. On site with many resource requests, there was a small chance that the RUM network call would be flushed from the resources API cache before we could capture it and calculate server time.

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, v1.254.1 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 113-123, Edge 113-122, Safari 16-17, and Firefox 114-124. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-123 and iOS Safari 15.5-16.2.

March 25
Browser agent v1.254.0

v1.254.0

Features

Standardize all feature behavior to wait for RUM response

Force features to wait for entitlement checks from the rum call before processing buffered data.

maintain a harvestCount for use later with harvestId

Add a counter which increments after every harvest. This will be used in a future effort to curate a unique harvest ID for API paging purposes.

Add rum-response metadata handler

The initial connect call can now supply browser app metadata. This adds a handler to store and use that metadata for future harvests.

Calculate New Relic time in the agent

Migrating the process of time-stamping harvested data to the agent. The agent uses the date and time reported by the ingest pipeline during the RUM call as well as browser network and timing stats to derive a server time offset that can be applied to harvested data as event occur. This improves the ability to visualize the harvested data on a timeline within the New Relic UI.

Bug fixes

Remove webpack imports in npm package

Transitioning certain module imports so that the default import is for the npm version of the module instead of the cdn or webpack version. This should completely eliminate all references to webpack globals when using the npm package.

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, v1.254.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 113-122, Edge 113-122, Safari 16-17, and Firefox 114-122. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-122 and iOS Safari 15.5-16.2.

March 13
Browser agent v1.253.0

v1.253.0

Features

Soft Navigations trial

Introducing a lighter and simplified version of the existing spa feature that tracks soft navigations. This new feature still sends BrowserInteraction events, but the duration and finishing of those interactions have been redefined. As a replacement, it ought to reduce complexity and integration issues around the existing spa and exhibit better and faster performance.

Apply deny list to ajax metrics

The ajax deny list has historically only applied to the collection of ajax events and not ajax metrics. With this feature, the deny list will also be applied to the collection and reporting of ajax timeslice metric data. If an ajax request matches an entry in the deny list, both events and metrics will be blocked from being collected in the agent. This feature will be behind a feature flag to assess impact before final complete rollout. Thanks to community member @Wrhector for contributing this feature.

Preload the session replay recorder when properly configured

Load the session replay recorder module before the page load when configured to do so. This will increase visibility for recordable data for customers who have opted in to the behavior.

Isolate observation context per agent

Initial implementation of an isolated observation context per agent running on the same page. This reduces the modification of instances of globals like events and instead each agent will track its own observation context internally.

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, v1.253.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 113-122, Edge 113-122, Safari 16-17, and Firefox 114-122. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-122 and iOS Safari 15.5-16.2.

February 29
Browser agent v1.252.1

v1.252.1

Bug fixes

Fix webpack imports in npm package

Fixing some import overrides in our NPM package build to prevent imports existing that include code reliant on webpack globals. This will resolve the error Uncaught ReferenceError: __webpack_require__ is not defined when using the NPM package in a project that does not use webpack.

Page load after session timeouts don't start new session

When a session expires or becomes inactive while the user does not have the page open and they re-open the page, that is now treated as a new session.

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, v1.252.1 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 112-121, Edge 112-121, Safari 16-17, and Firefox 113-122. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-121 and iOS Safari 15.5-16.2.

February 12
Browser agent v1.252.0

v1.252.0

Features

Add types mappings for esm distribution

Adding typescript types mappings for the ESM distribution in the npm package.

Report config changes away from default state for UX improvement

Detect if the default config values have been altered at runtime. This is useful to evaluate what the reasonable defaults are across a customer base over time to provide a better UX.

Create more granular metrics about stylesheet fix success

Utilize a finer granularity when collecting success metrics on local stylesheet fixes for Session Replay compatibility.

Align browser reported uncaught syntax errors

Aligning the data reported for uncaught syntax errors across modern browsers. Chrome specifically fails to include the file name and line number in instances of SyntaxError. This could also cause issue in the New Relic error inbox where Chrome syntax errors were not being properly grouped.

Capture Internal Metrics for Session Replay Configurations

Capture supportability metrics sounding Session Replay configuration usage to improve user experiences around configuration of the agent's Session Replay feature.

Bug fixes

Add safe logic to snapshots

Safe-guarded a race condition where an asynchronous call to fix a stylesheet could trigger the agent to try to force a snapshot after it has already stopped recording due to a visibility change.

Fix adblock memory leak

Fixed memory leaks caused by request resolve failure (e.G. due to adblocker). Thanks to community member @Joe-Degler for contributing this fix.

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, v1.252.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 112-121, Edge 112-120, Safari 16-17, and Firefox 113-121. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-121 and iOS Safari 15.5-16.2.

January 29
Browser agent v1.251.1

v1.251.1

Bug fixes

Pass unload options to simultaneous harvests in session replay

Pass unload options to simultaneous harvests in session replay to allow all calls to utilize sendBeacon when unloading.

Fix deferred session replay payloads

Force agent to send preloaded session replay payloads if present at load time.

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, v1.251.1 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 111-120, Edge 111-120, Safari 16-17, and Firefox 112-121. For mobile devices, v1.251.1 was built and tested for Android Chrome 100-120 and iOS Safari 15.5-16.2.

January 24
Browser agent v1.251.0

v1.251.0

Features

Session Replay - Detect Non-Inlined Stylesheets

Add check for invalid stylesheet inlining and asynchronously fetch the stylesheet contents for future payloads.

Bug fixes

Bubble Up API Methods to Top-Level Instance For NPM

Fix an issue where the NPM wrapping of the agent would not bubble the APIs up to the top-level of the instance, causing invalid warnings to log.

Add fallback for currentBufferTarget

Add a fallback to the currentBufferTarget for cases where the preload buffer has been cleared

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, v1.251.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 111-120, Edge 111-119, Safari 16-17, and Firefox 112-120. For mobile devices, v1.251.0 was built and tested for Android Chrome 100-120 and iOS Safari 15.5-16.2.

January 9
Browser agent v1.250.0

v1.250.0

Features

Add a flag to note that a payload occurred during a replay

Added a flag to mark harvests as having occurred during an active session replay. This will aid cross-feature querying in NR1.

Session Replay Dynamic Loading

Allow Session Replay modules to load earlier in the page lifecycle if a replay is ongoing

Bug fixes

TraceId generation regression (non-random trace ids)

Fixes a regression which caused all trace ids generated to end in a 0.

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, v1.250.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 111-119, Edge 111-118, Safari 16-17, and Firefox 111-119. For mobile devices, v1.250.0 was built and tested for Android Chrome 100-119 and iOS Safari 15.5-16.2.

December 14, 2023
Browser agent v1.249.0

v1.249.0

Features

Allow empty string for session replay masking value

Allow empty strings to be provided for session replay masking values, which helps the UI/API provide sane fallbacks for never-set values.

Bug fixes

loader missing sub-resource integrity hashes

Sub-resource integrity hashes were not being properly generated and included in the loader for async chunks related to session replay. This would cause a warning to appear in the browser console, but would not block those chunks from loading. This would have only affected customers taking part in the session replay limited preview.

Fix API warning messages

Fix warning messages given by API calls made before the agent has initialized.

Traceids not random when using webcrypto

Fix non-random hexadecimal generation when using the webcrypto api, which in turn creates non-random traceIds, that always end in 00.

Support statement:

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

New Browser Agent releases roll 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, v1.249.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 110-119, Edge 110-118, Safari 15-16, and Firefox 110-119. For mobile devices, v1.249.0 was built and tested for Android Chrome 100-119 and iOS Safari 15.5-16.2.

November 16, 2023
Browser agent v1.248.0

v1.248.0

Features

Report enduser.id with Session Replay

Report enduser.id if set with Session Replay data to improve faceting the Session Replay UX

Bug fixes

Fix issue with errors forcefully triggering session traces

Fixing an issue where an uncaught error or calls to the noticeError API would force session trace to begin collecting and harvesting data, even though session trace and session replay were disabled via the RUM response.

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, v1.248.0 of the Browser agent was built for and tested against these browsers and version ranges: Chrome 110-119, Edge 110-118, Safari 15-16, and Firefox 110-119. For mobile devices, v1.248.0 was built and tested for Android Chrome 100-119 and iOS Safari 15.5-16.2.

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