This week in AI updates: GitHub Copilot SDK, Claude’s new constitution, and more (January 23, 2026)This week in AI updates: GitHub Copilot SDK, Claude’s new constit…

GitHub Copilot SDK allows developers to embed agentic capabilities into applications using GitHub Copilot CLI's execution ...
GitHub

Question: Is the 10-18x Performance Gap Between C++ and Java ART Normal?

I am porting the exchange-core2 project to C++. After implementing the Adaptive Radix Tree (ART), I observed a 10-18x absolute performance gap between the C++ version and the original Java version.
GitHub

Layout Tools is an Avenue extension used in ArcView GIS that provides many useful functions for working with layouts.

Layout Tools includes tools for convenient editing layouts. There are some general tools and a command line which has to be used for all the other tools: Type help to open a list of all available ...