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Valve's SteamOS 3.8.25 Beta expands non-Valve hardware support with initial gamepad support for new handhelds like the MSI Claw 8 EX AI+, Ayaneo Pocket S2, and Konkr Fit, plus improved support for older devices.
A user shares their experience getting a 1998 CD-ROM world atlas to run on Windows 11, demonstrating retro software compatibility on modern systems.
A developer reports that Gemma 4 multimodal features broke in newer llama.cpp builds when using Unsloth's GGUF models, due to an incompatible mmproj file. Switching to ggml-org's official models fixed the issue, highlighting a recurring compatibility concern between third-party quantizers and llama.cpp updates.
Half-Life 2 has been made to run natively on the open-source operating system HaikuOS, showcasing improved compatibility for legacy games on alternative platforms.
Valve's new Steam Machine verification system lacks compatibility ratings for graphically demanding games, leaving Steam Machine owners uncertain about running titles that are 'Unsupported' on the Steam Deck but may work on the more powerful hardware.
pgrust is a Rust rewrite of PostgreSQL 18.3 that passes all 46k+ regression tests, aiming to make Postgres easier to modify with Rust and AI assistance. It is disk-compatible and can boot from existing Postgres data directories.
Raymond Chen discusses a historical Windows compatibility issue where some 16-bit programs abused window class extra bytes to store private data, and how Microsoft blocked the loophole for 32-bit and 64-bit programs while maintaining backward compatibility.
Proposes Tandem Reinforcement Learning (TRL), extending the tandem training paradigm to RLVR to improve reasoning compatibility and legibility for weaker models and humans, showing that TRL matches solo performance while enhancing handoff robustness and reducing distributional drift.
MAX models have been updated to run on Apple silicon GPUs, enabling faster inference on Macs.
Qwopus 3.6 27B-Coder-Compat is a new GGUF release with compatibility fixes for various harnesses, reducing looping and improving thinking stability. It can generate full HTML games and is suitable for local deployment.
Jackrong releases Qwopus3.6-27B-Coder-Compat-MTP-GGUF, a GGUF quantization of the Qwopus3.6-27B-Coder model with an expanded chat template for better interoperability with tool-using runtimes and OpenAI-compatible agent frameworks.
Minimax's M3 model requires vllm updates to support sm_120 compute capability, as the current repo only supports sm_100.
Introduces Compatibility-Aware Dynamic Fine-Tuning (CADFT), an extension of Dynamic Fine-Tuning that controls sample-level optimization variance in LLM supervised fine-tuning, improving stability and generalization.
iOS 27 and iPadOS 27 maintain device compatibility for most older iPhones and iPads, include performance improvements via a new CPU scheduler, but many new features require newer hardware with Apple Intelligence.
A comprehensive status overview of Common Lisp portability libraries showing compatibility percentages across different Common Lisp implementations.
A blog post updating the classic survey of C constructs that don't work in C++, covering changes in C++20 and C23 standards that affect compatibility.
The author points out that when writing AI agent skills, one must consider compatibility across different platforms (such as Claude Code and Codex), similar to how frontend development needed to adapt for different browsers in the past.
A hobby project enabling classic Windows 9x environments to run inside a modern Linux subsystem.