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[email protected] scope: tracker-js Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 1mo Error & Performance Tracking
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

charts clickhouse docker gdpr google-analytics prometheus
+11 more
monitoring mysql nestjs privacy redis self-hosted statistics tailwindcss web-analytics webanalytics website

Affected surfaces

auth

Summary

AI summary

Session Replay reliability improved with continuous playback across navigations.

Changes in this release

Feature Medium

Improves Session Replay reliability across page loads and navigations.

Improves Session Replay reliability across page loads and navigations.

Source: llm_adapter@2026-06-05

Confidence: high

 —
Feature Medium

Adds byte-based replay limits with `maxBytesPerChunk` and `maxBytesPerEvent`.

Adds byte-based replay limits with `maxBytesPerChunk` and `maxBytesPerEvent`.

Source: llm_adapter@2026-06-05

Confidence: high

 —
Feature Medium

Adds new privacy controls: `maskAllText` and `recordIframes`.

Adds new privacy controls: `maskAllText` and `recordIframes`.

Source: llm_adapter@2026-06-05

Confidence: high

 —
Performance Low

Optimises capture size and upload behaviour of Session Replay.

Optimises capture size and upload behaviour of Session Replay.

Source: granite4.1:30b@2026-06-05-audit

Confidence: low

 —
Bugfix Medium

Fixes Session Replay chunk ordering after navigation or reload.

Fixes Session Replay chunk ordering after navigation or reload.

Source: llm_adapter@2026-06-05

Confidence: high

 —
Bugfix Low

Reduces chance of oversized replay events being uploaded.

Reduces chance of oversized replay events being uploaded.

Source: llm_adapter@2026-06-05

Confidence: high

 —
Full changelog

🔥 Major updates

  • Improved Session Replay reliability in startSessionReplay.
    Replays can now stay continuous across page loads and navigations by using the backend-provided replay ID and next chunk index.

  • Optimised Session Replay capture size and upload behaviour.
    Added byte-based replay limits with maxBytesPerChunk and maxBytesPerEvent, safer default rrweb sampling, and slimmer DOM capture defaults to reduce large replay payloads.

  • Added new Session Replay privacy controls.
    You can now use maskAllText to mask text outside of total privacy mode, and recordIframes to explicitly opt into iframe recording when needed.

Fixes

  • Fixed Session Replay chunk ordering after navigation or reload.
  • Reduced the chance of oversized replay events being uploaded.
View diff on GitHub

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About swetrix

Swetrix is a cookie-less, open source, privacy-first web analytics, website speed monitoring and error tracking service that you can host yourself or use in the cloud. Get started for free!

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Related context

Beta — feedback welcome: [email protected]