iOS

How did the Threads iOS team maintain the app’s performance during its incredible growth? Here’s how Meta’s Threads team thinks about performance, including the key metrics we monitor to keep the app healthy. We’re also diving into some case studies that impact publish reliability and navigation latency. When Meta launched Threads in 2023, it became [...] Read More... The post How we think about Threads’ iOS performance appeared first on Engineering at Meta.

At Meta, React and React Native are more than just tools; they are integral to our product development and innovation. With over five thousand people at Meta building products and experiences with React every month, these technologies are fundamental to our engineering culture and our ability to quickly build and ship high quality products. In [...] Read More... The post React at Meta Connect 2024 appeared first on Engineering at Meta.

Meta’s family of apps serves trillions of image download requests every day. And if you’re into high-quality images, you’ve probably noticed that Instagram and Threads have added support for high dynamic range (HDR) photos. Now people on Threads and Instagram can upload and share images that are more true-to-life, with the full color and range [...] Read More... The post Bringing HDR photo support to Instagram and Threads appeared first on Engineering at Meta.

In about five short months, a small team of engineers at Meta took Threads, the new text-based conversations app, from from an idea to the most successful app launch of all time, pulling in over 100M users in its first five days. But this achievement wouldn’t have been possible without Meta’s existing systems and infrastructure. [...] Read More... The post How Meta built Threads in 5 months appeared first on Engineering at Meta.

As Keerthana explored her passion for iOS engineering, she also found mentorship and new working styles. But the community she’s discovered as she began connecting and nurturing the next generation of female engineers has truly been the most rewarding part of her LinkedIn journey. Launching a career in iOS engineering My career started with an unexpected but exciting role as an iOS product solution engineer at an e-commerce company in Bangalore. As I worked closely with iOS, I wanted to learn everything I could about the UI and dedicated my time to coding files and researching how […]

Meta has made it possible for people to upload high dynamic range (HDR) videos from their phone’s camera roll to Reels on Facebook and Instagram. To show standard dynamic range (SDR) UI elements and overlays legibly on top of HDR video, we render them at a brightness level comparable to the video itself. We solved [...] Read More... The post Bringing HDR video to Reels appeared first on Engineering at Meta.

WhatsApp has launched a new cryptographic security feature to automatically verify a secured connection based on key transparency.  The feature requires no additional actions or steps from users and helps ensure that a conversation is secure.  Key transparency solutions help strengthen the guarantee that end-to-end encryption provides to private, personal messaging applications in a transparent [...] Read More... The post Deploying key transparency at WhatsApp appeared first on Engineering at Meta.

WhatsApp has launched a new security feature that further helps prevent attackers from using vectors like on-device malware. This security feature, called Device Verification, requires no action or additional steps from users and helps protect your account. This feature is part of our broader work to increase security for our users from the growing threat [...] Read More... The post How Device Verification protects your WhatsApp account appeared first on Engineering at Meta.

We’re sharing how Meta delivers high-quality audio at scale with the xHE-AAC audio codec. xHE-AAC has already been deployed on Facebook and Instagram to provide enhanced audio for features like Reels and Stories.  At Meta, we serve every media use case imaginable for billions of people across the world — from short-form, user-generated content, such [...] Read More... The post Why xHE-AAC is being embraced at Meta appeared first on Engineering at Meta.