I was working there when they switched to that font. A lot of people were furious that their cheese had been moved.
replyNowadays the desktop software is built around Chromium. Lots of C++ and one of the largest JS codebases in the world.
reply> largest JS codebases in the world.
replyI'd love to know how they make frontends as responsive as possible. To the engineering blog!
They're very involved in web standards. Rob Palmer from Bloomberg is co-chair of TC39.
replyWe’re in the middle of TC39 plenary in Tokyo right now as a matter of fact! Rob regularly posts on X as things advance through the staging process, and today is the final day.
replyAgenda: https://github.com/tc39/agendas/blob/main/2026/09.md
Here’s a great talk to get you up to speed! https://youtu.be/y1MCLZm8yAY
replyFrom memory when I worked there 10 years ago, all the Javascript based stuff was pretty slow in a very noticeable way. They've likely gotten better as they are using a well known Javascript and rendering engine, so they're getting many optimizations for free.
replyIt's not very responsive
replyIt used to be built with qt, now I'm guessing the answer is vanilla JS and CSS. You'd be surprised how fast they are without frameworks like react
replyIt has never used qt in any way.
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