Web/Net: Curl, RSS, and Mozilla
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Daniel Stenberg ☛ UndefinedBehaviorSanitizer’s unexpected behavior
The transition from Ubuntu 22 to 24 for ubuntu-latest on Microsoft's proprietary prison GitHub actions started recently with the associated version bumps of a lot of applications. As expected. One of the version bumps is for clang: it now uses clang 18 by default.
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Ruben Schade ☛ RSS readers that use titles from HTML?
Whoops! The joys of writing your own theme. This was a one-line fix, so now blog posts have a meaningful HTML <title>.
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Mozilla
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Mozilla ☛ Mozilla Performance Blog: Announcing PerfCompare: the new comparison tool !
About two years ago, I joined the performance test team to help build PerfCompare, an improved performance tool designed to replace Perfherder’s Compare View. Around that time, we introduced PerfCompare to garner enthusiasm and feedback in creating a new workflow that would reduce the cognitive load and confusion of its predecessor. And, if we’re being honest, a tool that would also be more enjoyable from a design perspective for comparing the results of performance tests. But most importantly, we wanted to add new, relevant features while keeping Firefox engineers foremost in mind.
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Talospace ☛ Running Thunderbird with the OpenPower Baseline JIT
The issues with Ion and Wasm in OpenPower Firefox notwithstanding, the Baseline JIT works well in Firefox ESR128, and many of you use it (including yours truly). Of course, that makes Thunderbird look sluggish without it.
I wasn't able to get a full LTO-PGO build for Thunderbird to build properly so far with gcc (workin' on it), but with the JIT patches for ESR128 an LTO optimized build will complete and run, and that's good enough for now. The diff for the .mozconfig is more or less the following: [...]
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