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Firefox engineer warns Intel Raptor Lake CPUs are 'crashing more often because of the summer heat,' and it's making me worry about the future of these chips
13th and 14th-gen processors back under the spotlight
Tom's Hardware reports that Gabriele Svelto, a senior staff engineer on Mozilla's Firefox browser, flagged up the issue on Mastodon, observing that: "If you have an Intel Raptor Lake system and you're in the northern hemisphere, chances are that your machine is crashing more often because of the summer heat." The 0x12F patch was pushed out in May 2025, a good while after the previous updates, as a fix for a more niche scenario where issues occurred with PCs that were left on continuously (for days at a time, running light workloads). This certainly suggests Firefox is pointing to a chip-related problem - even if the cause could be (theoretically) partly down to buggy behavior with the browser, it's still only manifesting with certain Intel silicon (to an apparently profound level, correlating with hotter locations in Europe).
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