Using GitHub Copilot Agent Mode (with Claude Haiku + GPT 5.3 Codex) to solve old open source issues!

I have an open source app called todometer ( https://github.com/cassidoo/todometer ). Some old issues had been burning in the back of my mind for a few years, and in this video, I talk about my experience with solving one of the annoying ones with GitHub Copilot, and I'm thrilled! Repository: https://github.com/cassidoo/todometer The issue: https://github.com/cassidoo/todometer/issues/113 The diff: https://github.com/cassidoo/todometer/commit/35a16237601f6395fceff9b978936975d81e176b --- Website + blog: https://cassidoo.co Newsletter: https://cassidoo.co/newsletter/ GitHub: https://github.com/cassidoo LinkedIn: https://www.linkedin.com/in/cassidoo/ Bluesky: https://cass.run/bsky Twitch: https://www.twitch.tv/cassidoo Twitter: https://twitter.com/cassidoo Mastodon: https://notacult.social/@cassidoo