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This post explains how SoundCloud is migrating API streams from MP3/Opus to AAC-based HLS, detailing the new AAC HLS transcodes (hls_aac_160_url and hls_aac_96_url), the extended deprecation deadline through December 31, 2025, and practical steps for developers to migrate.

Migration guide to AAC HLS on SoundCloud APIs: deprecating MP3/Opus transcodings by end of 2025, introducing AAC-based HLS streams, and providing practical migration steps.

GPT-5-Codex enhances GPT-5 for agentic coding with reinforcement learning, human-like code generation, and robust multi-layered safety measures accessible via multiple platforms.

The largest study on ChatGPT usage reveals shrinking demographic gaps, broad adoption across income levels, and significant economic value generated through personal and professional applications.

GPT-5-Codex delivers faster, more reliable, and context-aware AI-powered coding assistance with advanced real-time collaboration, deep code review capabilities, and seamless integration across terminals, IDEs, web, and cloud environments.

SoundCloud is upgrading its API streaming endpoints from MP3 and Opus formats to AAC-based HLS streams for improved audio quality and playback consistency, with a planned deprecation of old formats by November 15, 2025.

MIT and collaborators developed Fetal SMPL, a machine-learning model that creates highly detailed and accurate 3D representations of fetal health from MRI scans, enhancing prenatal diagnosis.

GitHub is enhancing SSH access security by introducing a hybrid post-quantum key exchange algorithm, sntrup761x25519-sha512, to protect Git data from future quantum decryption threats.

OpenAI Grove offers early-stage technical talent a unique AI-focused program with mentorship, hands-on access to AI tools, and a collaborative community to accelerate company-building journeys.

Collaborations with US CAISI and UK AISI have enhanced the security of AI systems through joint red-teaming, vulnerability discovery, and rapid mitigation, advancing safeguards against misuse and setting new industry standards.

Exploring advanced optimizations including CTA memory multicasting, 2xSM MMA, warp specialization, and pipelining techniques to achieve 85% of state-of-the-art matrix multiplication performance on NVIDIA Blackwell GPUs.

OpenAI and Microsoft announce the signing of a non-binding MOU to advance their partnership focused on delivering safe and effective AI tools.