--- title: "SpiderMonkey Newsletter (Firefox 135-137)" url: https://daily.dev/posts/spidermonkey-newsletter-firefox-135-137--2az0pne8k source_url: https://spidermonkey.dev/blog/2025/03/17/newsletter-firefox-135-137.html type: article source: "SpiderMonkey" published: 2025-03-15T01:28:42.327Z updated: 2025-03-15T01:28:53.973Z tags: ["javascript", "open-source", "performance", "webassembly"] reading_time: 3 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # SpiderMonkey Newsletter (Firefox 135-137) **[SpiderMonkey](https://daily.dev/sources/spidermonkey)** · 3 min read · 0 upvotes · 0 comments ## Summary The SpiderMonkey team recently hosted an Outreachy intern who worked on the Iterator.range proposal. The HYTRADBOI conference featured a talk on ramping up the baseline interpreter quickly. Key features include the shipping of the Temporal proposal and improvements in error messages. Performance enhancements were made through various contributors' efforts, including speedup optimizations and memory allocator tuning. The platform has also seen improvements such as off-thread baseline compilation and better performance on Android. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#open-source](https://daily.dev/tags/open-source), [#performance](https://daily.dev/tags/performance), [#webassembly](https://daily.dev/tags/webassembly) [View this post on daily.dev](https://daily.dev/posts/spidermonkey-newsletter-firefox-135-137--2az0pne8k)