
Joel Handwell
509 posts

Joel Handwell
@JoelHandwell
Kotlin Multiplatform, Neo4j, JetBrains, Github Copilot, Codex user Coding, Testing and Deploying Infrastructure as a #DevOps











📣 @OpenAIDevs GPT-5.3-Codex is now generally available and rolling out in GitHub Copilot. Early testing shows ➡️ It reaches new high scores on benchmarks we use to evaluate coding, agentic, and real-world capabilities ➡️ 25% faster performance than GPT-5.2-Codex on agentic coding tasks ➡️ Improved reasoning and execution in complex workflows Try it out in @code or Copilot CLI. github.blog/changelog/2026…

Windows has been achieved internally

Windows has been achieved internally

new in the codex app today: - PDF preview - Open in Zed and Textmate - Performance improvements - Animated start icon by the great @AdamBrandon_ windows update: we plan to release within the next few weeks. make sure you're signed up for the early access












