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Recursively Diff Packages

diffoscope is an open-source tool that recursively compares packages, archives, and directories to identify differences in their contents. It supports a wide range of file formats including Debian packages, RPM, ISO images, PDFs, and more, providing deep comparisons beyond simple file-level checks.

Background

diffoscope is a command-line tool that helps determine what actually changed between two files, packages, or directories by recursively unpacking and comparing their contents. It understands many common archive formats (tar, zip, deb, rpm, apk, ISO images, PDFs, and more), so it can dive into nested layers automatically. This matters most for "reproducible builds" — the effort to ensure that the same source code always produces bit-for-bit identical binaries. When a package rebuilds differently, diffoscope pinpoints exactly which bytes differ and why, making it essential for debugging build discrepancies and verifying software integrity.

RT Max Weinbach: I had early access to this model and I'll post more Thursday, but I think the most impressive part is this model NEVER GIVES UP If yo...
9.0
Max Weinbach says he had early access to OpenAI's new model GPT-5.6 Sol, calling it his favorite model by far. He highlights that it never gives up and will keep reasoning until it's done. OpenAI announced that GPT-5.6 Sol, along with Terra and Luna, will launch publicly on Thursday, with preview access expanding globally now.
Statement on the US government directive to suspend access to Fable 5 and Mythos 5
9.0
The US government ordered Anthropic to suspend access to its Fable 5 and Mythos 5 models for all customers, citing a potential jailbreak technique that involved asking the model to review a codebase for vulnerabilities—a capability Anthropic says is available in other public models. Access was abruptly cut off on June 12.
This is a super exciting release - Claude Fable 5 is the same underlying model as Mythos but with added safeguards. The benchmarks are great and it's ...
9.0
Andrej Karpathy announces the release of Claude Fable 5, the same underlying model as Mythos but with added safeguards. He calls it a major step forward, particularly for long problem-solving sessions on difficult tasks, and describes it as state-of-the-art on nearly all benchmarks with exceptional performance in software engineering, research, and vision.
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8.5
Roman Storm warns that the legal theory in his case could set a precedent making open-source developers liable for how others use their code, potentially criminalizing the mere publication of privacy, messaging, or crypto tools. He notes that developer Michael Lewellen cannot publish lawful code due to prosecution fears, and argues this chilling effect extends beyond any single case.
‘Why Is Meta Destroying Its Engineering Organization?’
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Meta's engineering culture is deteriorating under Mark Zuckerberg and Scale AI CEO Alexandr Wang, who have introduced keyboard tracking, reassignments to data labeling, and AI-centric performance metrics. Critics argue this incentivizes performative AI use, drives away experienced engineers, and contributed to a major Instagram hijacking incident caused by AI-written and AI-reviewed code.

Recursively Diff Packages

Background

Related stories

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