Big Tech FOSS
Open source work and decisions from large technology companies.
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Most important in the last 30 days
- Meta unveils 102.4T IceCube switches and OSPA initiative at OCP Summit • Meta Engineering & Open Source • Impact 7/10
Meta is introducing liquid-cooled 102.4T networking hardware and a new industry initiative to standardize switch platform architectures.
- Chromium Stable update includes 10 security fixes • Google Chromium Engineering Releases • Impact 7/10
The latest Chromium Stable release addresses 10 security vulnerabilities, including one critical use-after-free bug.
- Meta open sources NTS implementation and launches authenticated time service • Meta Engineering & Open Source • Impact 6/10
Meta has open-sourced its Network Time Security (NTS) implementation and launched a public, authenticated time service at nts.meta.com.
- Google adopts Meta's Pyrefly as primary Python type checker • Google Open Source Engineering • Impact 6/10
Google has replaced its internal Pytype tool with the open-source Pyrefly to improve performance and type safety across its monorepo.
- Meta deploys Media over QUIC for Instagram Live ingest • Meta Engineering & Open Source • Impact 6/10
Meta has integrated the emerging IETF standard Media over QUIC (MoQ) into Instagram Live to replace its proprietary RUSH protocol for video ingest.
Latest stories
- Meta open-sources thin orchestrator pattern for multi-agent AI systems • Meta Engineering & Open Source • Impact 6/10
Meta published a detailed architecture for a 1,300-line deterministic orchestrator that routes tasks to 14 specialized AI agents, reducing data column onboarding from days to under an hour.
- PyTorch MPS backend replaces MSE forward MPSGraph with Metal kernels • PyTorch GitHub Releases • Impact 5/10
PyTorch's Apple Silicon MPS backend now uses custom Metal kernels instead of MPSGraph for MSE loss forward, bringing up to 12x speedup for small tensors though some large tensor shapes regress.
- Meta details Prometheus, its gigawatt-scale AI supercluster with ~1 million GPU target • Meta Engineering & Open Source • Impact 5/10
Meta has completed the first phase of Prometheus, a gigawatt-scale supercluster in Ohio designed to scale to roughly 1 million GPUs, and used it to train its Muse family of foundational models.
- PyTorch flex_gemm adds support for chunked GLU epilogue outputs • PyTorch GitHub Releases • Impact 4/10
PyTorch'un flex_gemm bileşeni, interleaved ağırlıkların chunked formunu desteklemek için GLU epilogue çıktılarını genişletiyor.
- PyTorch enables symmetric memory lowering for ROCm 10.1 and newer • PyTorch GitHub Releases • Impact 4/10
PyTorch now supports Inductor lowering for one_shot_all_reduce using symmetric memory on ROCm versions 10.1 and above.
- PyTorch adds torch::stable::add to stable ABI • PyTorch GitHub Releases • Impact 4/10
PyTorch introduces a stable addition operator to support the torchvision stable-ABI port.
- PyTorch adds XPU CI gating for Kineto plugin changes • PyTorch GitHub Releases • Impact 4/10
PyTorch now triggers XPU continuous integration tests when changes are made to the Kineto plugin to prevent build breakages.
- PyTorch updates onnxruntime to version 1.28.0 • PyTorch GitHub Releases • Impact 4/10
PyTorch has updated its onnxruntime dependency to version 1.28.0 to support newer ONNX opsets.
- Chromium 155 fixes 10 security flaws including critical prerender bug • Google Chromium Engineering Releases • Impact 6/10
Chromium 155.0.8059.84/.85 patches 10 security vulnerabilities, including one critical use-after-free in prerender and six high-severity bugs in V8, DOM, Core, and SVG.
- Meta details agentic AI engineering process for Forum app • Meta Engineering & Open Source • Impact 5/10
Meta engineers transitioned from 'human-in-the-loop' to 'human-on-the-loop' workflows to build their new Forum app using AI agents.
- Meta infrastructure handles record traffic during 2026 World Cup • Meta Engineering & Open Source • Impact 5/10
Meta's infrastructure managed unprecedented surges, including WhatsApp delivering 8.4 billion messages in a five-minute window during the tournament final.
- Sapienz automated testing tool receives ISSTA 2026 Impact Paper Award • Meta Engineering & Open Source • Impact 4/10
Meta's Sapienz testing infrastructure was recognized for its decade of impact in automated Android application testing.
- Netflix adopts DataJunction open source semantic layer for experimentation • Netflix Open Source & Technology • Impact 5/10
Netflix uses the DataJunction open-source metric platform to centralize and standardize metric definitions within its experimentation workflows.
- Netflix implements tiered storage for TimeSeries using Kafka, Flink, and Cassandra • Netflix Open Source & Technology • Impact 5/10
Netflix reduced storage costs for petabyte-scale temporal data by migrating older datasets from hot storage to S3 using streaming and native Cassandra methods.
- Netflix migrates Ads Event Publisher to Apache Flink for live streaming • Netflix Open Source & Technology • Impact 5/10
Netflix rebuilt its ad telemetry enrichment pipeline using stateful stream processing in Apache Flink to handle massive traffic surges during live events.
- Netflix details evolution of Conductor orchestration engine • Netflix Open Source & Technology • Impact 4/10
Despite discontinuing open-source maintenance, Netflix has rebuilt Conductor internally to handle billions of workflow executions.
- Netflix engineer optimizes Apache Spark pipelines via branch-driven testing • Netflix Open Source & Technology • Impact 4/10
Netflix uses branch-driven isolation in its Dataflow tool to run multiple concurrent Apache Spark experiments, bypassing the limitations of small-scale data sampling.
- React 19.3.1 improves React Server Components transport protocol • React GitHub Releases • Impact 4/10
The React 19.3.1 release includes updates to the transport protocol used by React Server Components.
- React 19.2.9 Released with Improved Transport Protocol for Server Components • React GitHub Releases • Impact 5/10
React version 19.2.9 has been released with improvements to the transport protocol for React Server Components.
- React 19.1.10 improves Server Components transport protocol • React GitHub Releases • Impact 3/10
React 19.1.10 patches the Server Components transport protocol via pull request #37843.
- VS Code 1.141.1 Released with Security Fixes • VS Code GitHub Releases • Impact 5/10
VS Code version 1.141.1 has been released with security fixes, including sandbox permission approval isolation.
- Microsoft announces AI database agents for PostgreSQL on Azure • Microsoft Open Source Blog • Impact 5/10
Microsoft is introducing AI-powered specialist agents to assist with PostgreSQL troubleshooting and performance optimization on Azure.
- Microsoft releases SQL Apps foundation under MIT license • Microsoft GitHub Activity • Impact 4/10
SQL Apps provides an open-source foundation for building applications using TypeScript, Azure SQL Database, and AI assistants.
- Google study analyzes engineering effort to maintain open source packages • Google Open Source Engineering • Impact 4/10
Most open source updates at Google take under four hours, but customization and dependencies significantly increase complexity.
- Microsoft highlights open-source database investments at All Things Open 2026 • Microsoft Open Source Blog • Impact 4/10
Microsoft is focusing on cloud-native, AI-ready open-source database services including PostgreSQL and MongoDB-compatible options.
- AWS introduces Strands Box open source AI agent sandbox • AWS Open Source Blog • Impact 5/10
Strands Box provides an Apache 2.0 licensed sandbox that combines OS-level isolation with the Dogwood policy language to govern AI agent actions.
- Microsoft details contributions to OpenAPI and JSON Schema standards • Microsoft Open Source Blog • Impact 4/10
Microsoft is leveraging OpenAPI 3.2.0 and JSON Schema 2020-12 to improve API reliability and AI-assisted development.
- AWS releases Dogwood Local Engine for agentic governance • AWS Open Source Blog • Impact 5/10
The Dogwood Local Engine provides an Apache 2.0 licensed library to enforce temporal governance policies on AI agent actions.
- TensorFlow 2.22.0-rc0 introduces breaking changes and TFLite improvements • TensorFlow GitHub Releases • Impact 5/10
TensorFlow 2.22.0-rc0 removes TensorBoard as a default dependency and adds support for new data types in TFLite.
- AWS releases TOLAP for object-level access control in AI agents • AWS Open Source Blog • Impact 5/10
TOLAP provides a standardized way to enforce fine-grained data security, such as row and column filtering, directly at the tool level for AI agents.