# \#highlights

**URL:** https://discourse.mozilla.org/tag/highlights/137.md

[Latest](https://discourse.mozilla.org/latest.md) · [Categories](https://discourse.mozilla.org/categories.md) · [Tags](https://discourse.mozilla.org/tags.md)

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## [Performance Tools Newsletter (H1 Edition)](https://discourse.mozilla.org/t/performance-tools-newsletter-h1-edition/144881)

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**Author:** [@sparky](https://discourse.mozilla.org/u/sparky)\
**Replies:** 0\
**Last updated:** [July 18, 2025, 8:20pm UTC](https://discourse.mozilla.org/t/performance-tools-newsletter-h1-edition/144881 "2025-07-18T20:20:01Z")

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Welcome to the latest edition of the Performance Tools Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from the last half…

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## [Performance Testing Newsletter (Q4 Edition)](https://discourse.mozilla.org/t/performance-testing-newsletter-q4-edition/139717)

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**Author:** [@sparky](https://discourse.mozilla.org/u/sparky)\
**Replies:** 0\
**Last updated:** [January 31, 2025, 9:39pm UTC](https://discourse.mozilla.org/t/performance-testing-newsletter-q4-edition/139717 "2025-01-31T21:39:00Z")

</div>

Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from the changes…