The obvious takeaway from 2026's biggest incidents is that attackers are increasingly using AI to move fast. Docker's CISO, Mark Lechner, wrote about this shift and what every engineering team should do now. What worries us is that the bar is about to drop further. For most of the last decade, finding a serious …

Read More

Themes are personal. Some of us live in dark mode, some swear by high contrast, and some of us have very strong opinions about that one shade of blue from years ago. The new themes in Visual Studio 2026 are built on Fluent, which gives us a much more consistent and accessible foundation, but we have heard from plenty …

Read More

In this post, you'll build a competitive research agent that demonstrates this pattern end to end. This walkthrough targets developers building multi-step AI workflows who need isolated execution environments for their agents. In Part 2 of the notebook, you can deploy this same agent to Bedrock AgentCore Runtime using …

Read More

How to implement the memento pattern in C# with step-by-step code examples for undo/redo, state snapshots, and behavioral design patterns. Link to article: https://www.devleader.ca/2026/06/15/how-to-implement-memento-pattern-in-c-stepbystep-guide

Read More

When the US government effectively forced Anthropic to suspend access to some of its newest AI models over security concerns (Fable 5, Mythos 5), much of the debate immediately split into familiar camps. One side saw government overreach. The other saw a necessary intervention against potentially dangerous technology. …

Read More

When we talk about new lines, most developers think about \r\n (Windows) and \n (Unix-like systems). That works most of the time, but it is not the full picture. Unicode and several regex engines recognize additional line break characters. If your application parses user input, logs, CSV-like content, or cross-platform …

Read More

Welcome to another issue of Dev Leader Weekly! In this issue, I dig into a Reddit thread about getting your manager to prioritize tech debt -- why it almost always loses to shipping features, the two forces working against you, and how to reframe the conversation in the language the business actually cares about. Link …

Read More

This is a bit of rambling from me and what I believe is a good setup for developing software together with AI tools. I believe the AI tools are good, which will help good developers produce better software for our end clients. What is the aim of creating software? This is a super hard question […] Link to article: …

Read More

Master the interface segregation principle c# with before/after examples, DI registration in .NET 10, and tips for designing focused, role-based interfaces. Link to article: https://www.devleader.ca/2026/06/14/interface-segregation-principle-c-focused-interfaces-that-scale

Read More

Compare the mediator vs observer pattern in C# with code examples, use cases, and guidance on choosing the right behavioral pattern. Link to article: https://www.devleader.ca/2026/06/14/mediator-vs-observer-pattern-in-c-key-differences-explained

Read More

The article discusses the limitations and benefits of using Copilot for code optimization in the Spargine .NET project. While some suggestions from Copilot significantly improved performance, others were ineffective or detrimental. The author emphasizes the importance of thorough testing and verification of …

Read More

Learn the liskov substitution principle c# with real examples. Avoid inheritance violations and build correct, substitutable hierarchies in .NET 10. Link to article: https://www.devleader.ca/2026/06/13/liskov-substitution-principle-c-correct-inheritance-every-time

Read More

Master the memento design pattern in C# with code examples, undo/redo implementation, and best practices for state preservation. Link to article: https://www.devleader.ca/2026/06/13/memento-design-pattern-in-c-complete-guide-with-examples

Read More

Long-running business processes are hard to get right. Dapr Workflow lets you write them as plain C# code that survives crashes and restarts, and Aspire makes the whole thing run with a single command. Here's how to wire the two together. Link to article: …

Read More

Learn the open closed principle c# with real examples. Extend behavior without modifying existing code using Strategy pattern and .NET 10 features. Link to article: https://www.devleader.ca/2026/06/12/open-closed-principle-c-extending-without-modifying

Read More

In this post, we explore how Rocket Close built a solution using Strands Agents, large language models (LLMs), Amazon Bedrock, Amazon Bedrock Knowledge Bases, and Model Context Protocol (MCP) tools. We cover solution features, the rationale for the technology stack, lessons learned, and the business impact at Rocket …

Read More

GitHub Copilot modernization for C++ is out of preview as of Visual Studio 2026 version 18.7. This agent, accessible by typing @Modernize in the Copilot Chat window, can be used to upgrade your projects to use a newer version of the Mic Link to article: …

Read More

This post shows how to build a custom meeting prep and follow-up assistant using Amazon Quick and Cisco Webex MCP servers. From a single prompt, the agent finds an upcoming Webex meeting, reviews prior meeting summaries and transcripts, and pulls related Vidcast highlights and transcript context. It then searches Webex …

Read More

This post outlines the development of a cost-effective and scalable intelligent document processing pipeline on AWS, powered by Amazon Bedrock and its features. BDA is a managed service within Amazon Bedrock that automates the extraction of insights from documents. We demonstrate how BDA extracts and analyzes document …

Read More

AWS Professional Services (AWS ProServe) compressed engagement timelines from months to days, not by adding artificial intelligence (AI) tools to an existing process, but by fundamentally rebuilding how we deliver from the inside out. In this post, we share how AWS ProServe became a frontier team, the practices that …

Read More