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Tug Grall

@tgrall.bsky.social
406 followers 384 following 226 posts

Passionate developer and crazy windsurfer … or the opposite. Working at GitHub during the day, coding windr.org at night (early morning to be precise)

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Tug Grall @tgrall.bsky.social · 26/08/2026
One of my favorite things about the #GitHub #Copilot App: I can run multiple sessions in parallel, each on its own worktree/branch, and explore different implementations at the same time. - Test → compare → keep the winner → delete the rest. A great workflow for design exploration
Multiple Sessions and Design in GitHub Copilot App
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Tug Grall @tgrall.bsky.social · 24/08/2026
Thank you @github.com Copilot Rubber Duck , always nice to have it helping me with old database and code migration
Rubber duck report
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Tug Grall @tgrall.bsky.social · 19/08/2026
The new plan UI in the #GitHubCopilot App is super clean. Makes seeing the problem and proposed changes really easy to digest.
Plan UI
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Tug Grall @tgrall.bsky.social · 30/07/2026
GitHub tested MAI-Code-1-Flash in @vscode.dev , and it’s super fast and efficient! It helps you fix bugs and write tests quickly while using fewer tokens. More informations here : code.visualstudio.com/blogs/2026/0... #GitHubCopilot
code.visualstudio.com
MAI-Code-1-Flash: early results from real developer workflows
MAI-Code-1-Flash is a lightweight coding model purpose built for the fast, iterative work developers do every day in GitHub. In this post, we share what the data is telling us about how it performs in...
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Tug Grall @tgrall.bsky.social · 07/07/2026
Heading to Berlin for #WeAreDevelopers tomorrow! Come hang out at the @GitHub booth to talk SDLC in the AI era. Lisa and I are running a workshop to help you leverage #GitHubCopilot from your IDE to the CLI,Cloud and App. See you there!
We are dev banner
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Tug Grall @tgrall.bsky.social · 06/07/2026
6 security settings every GitHub maintainer should enable this week github.blog/security/6-s...
github.blog
6 security settings every GitHub maintainer should enable this week
These six free settings will not make your project unhackable. Nothing will. What they will do is close the easy doors.
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Tug Grall @tgrall.bsky.social · 01/07/2026
One of the best ways to start the day: - Having Copilot handle a new feature while I am - Swimming in my "private" ocean pool
Copilot session 
Swim mapMe on the beach after swim
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Tug Grall @tgrall.bsky.social · 26/06/2026
The /spawn feature in the GitHub Copilot App makes complex tasks much easier. It lets you create child sessions that connect with the main session to break big tasks into smaller, simpler steps This makes planning and reviewing your work much faster.
Copilot App with Spawned sessions
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Tug Grall @tgrall.bsky.social · 23/06/2026
GitHub Copilot App now integrates impeccable.style, letting you design your app with simple commands. I've been testing it out, and it's very impressive. Turn it on in the Experimental settings to try it.
Impeccable commands in Copilot Appnew design in Copilot App with impeccable
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Tug Grall @tgrall.bsky.social · 21/06/2026
Git worktrees are more than 10 years old, but I only discovered them recently. Copilot and AI agents working on tasks in parallel made me start using them. Here is a good article about it from @cassidoo : github.blog/ai-and-ml/gi...
github.blog
What are git worktrees, and why should I use them?
Git worktrees have been around since 2015, but it wasn't until recently they became popular. Learn what they are, how to use them, and why you might.
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Tug Grall @tgrall.bsky.social · 14/06/2026
Nice new feature in the GitHub Copilot App: Sessions Auto Cleanup! If you’re a Copilot user and haven't tried the dedicated app yet, it’s definitely worth checking out: github.com/features/ai/...
Auto Session Cleanup in GitHub Copilot App
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Tug Grall @tgrall.bsky.social · 09/06/2026
Big fan of how the GitHub Copilot App handles feature sub-sessions. Being able to launch and manage parallel tasks simultaneously from a single prompt is a game-changer. Check out those 3 sub-sessions running concurrently!
Subsessions in GitHub Copilot App
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Tug Grall @tgrall.bsky.social · 07/06/2026
Preparing 2 plans across different projects. Next step: triggering the implementation with multiple agents running in parallel while I go for a bike ride, controlling the work remotely. All this from the GitHub Copilot App : github.com/features/ai/...
Planning in GitHub Copilot App
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Tug Grall @tgrall.bsky.social · 05/06/2026
Bigger context, smarter reasoning. GitHub Copilot now supports 1M-token context windows + configurable reasoning levels. Available in Copilot CLI, App and @Code github.blog/changelog/20...
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Tug Grall @tgrall.bsky.social · 31/05/2026
GitHub Copilot App running multiple agents in parallel after a deep code review...
List of Copilot agents
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Tug Grall @tgrall.bsky.social · 30/05/2026
Welcome to Opus 4.8 in GitHub Copilot, right here in the GitHub Copilot App!
Opus 4.8 in GitHub Copilot App
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Tug Grall @tgrall.bsky.social · 30/05/2026
Good morning ! Already working a new release of my WebApp using GitHub Copilot App. Multitasking with agents is easier and easier ! Join the club : github.com/github/app
Coding with copilot app in my backyard
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Tug Grall @tgrall.bsky.social · 24/05/2026
Totally hooked to the GitHub Copilot App! My workflow really evolved. All my tasks & agents are in a single UI. From specs to review and implementation, everything is in one unified experience. You should really try it! github.com/github/app Another big step in my AI builder life!
GitHub Copilot App with multiple agents running
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Tug Grall @tgrall.bsky.social · 23/05/2026
My new weekend dev routine: - Plan with the GitHub Copilot App - Enable remote & keep-alive - Follow & steer Copilot from my phone Today I'm using this to build a new GPS data analyzer! Last weekend, I used it to ship: windr-app.github.io/windr-defiwi...
Copilot on my
Mobile Copilot on my mobile
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Tug Grall @tgrall.bsky.social · 04/05/2026
Ever wondered how to customize your GitHub Copilot CLI status line? You can now inject your own logic using statusLine.command : Demonstration: www.youtube.com/watch?v=p61t... --- - French Version : www.youtube.com/watch?v=uZjP... - Blog post tgrall.github.io/blog/2026/05...
youtube.com
🇬🇧 Customize GitHub Copilot CLI "Status Line" : Boost your terminal sessions!
YouTube video by Tug on Dev!
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Tug Grall @tgrall.bsky.social · 29/04/2026
🎉New Copilot CLI : v1.0.39 My favorite from the daily drop: - Improve "--resume" session picker with better tab layout, status display, and progressive loading Changelog : github.com/github/copil... #Github #GithubCopilot #Copilot
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Tug Grall @tgrall.bsky.social · 28/04/2026
Preparing an application rewrite ? Starting with some documentation GitHub Copilot CLI running 9 agents in the background.
agentsdocumentation
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Tug Grall @tgrall.bsky.social · 28/04/2026
The latest GitHub Copilot CLI release is here! The /ask command now supports full Markdown rendering (Tables and links), is my favorite. Run /update to grab it now! Changelog: github.com/github/copil...
Rendering MD table
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Tug Grall @tgrall.bsky.social · 27/04/2026
🇫🇷Saviez‑vous qu’on peut créer ses propres commandes pour GitHub Copilot CLI ? Je vous montre youtu.be/ePO_6QpDjyM
youtu.be
🇫🇷 Je rajoute des commandes à Copilot CLI avec les Extensions
YouTube video by Tug on Dev!
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Tug Grall @tgrall.bsky.social · 26/04/2026
Playing with GitHub Copilot CLI Extensions! Just created an extension to search all my prompts with simple "Plan -> Autopilot" usual workflow! Switch on the /experimental mode, and discover this nice feature!
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Tug Grall @tgrall.bsky.social · 20/04/2026
Leveling up my Copilot workflow with subagents. Using /init + Awesome Copilot skills to add specialization. Just remember: the output is only as good as the context you set. Install them with: /plugin install awesome-copilot@awesome-copilot See github.com/github/aweso...
Copilot CLI helping me to set better context
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Tug Grall @tgrall.bsky.social · 19/04/2026
I’ve been using the GitHub Copilot CLI /pr commands lately and it’s a total time saver. /pr create and /pr fix are becoming a huge part of my daily flow. It’s so much easier to stay in the terminal. Have you tried these yet, or do you still prefer the web UI?
/pr fix ui showing the fix
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Tug Grall @tgrall.bsky.social · 18/04/2026
🎉 Claude Opus 4.7 is available in GitHub Copilot (CLI, IDEs, Web and Cloud) github.blog/changelog/20...
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Tug Grall @tgrall.bsky.social · 18/04/2026
📺 I loved “Mr Bates vs. The Post Office” TV Show ! Highly recommend. Thanks to @ARTEfr www.imdb.com/title/tt2786...
imdb.com
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Tug Grall @tgrall.bsky.social · 15/04/2026
Rubber-ducking my way to a MVP architecture with GitHub Copilot CLI. 🦆 Details here: github.blog/ai-and-ml/gi...
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Tug Grall @tgrall.bsky.social · 15/04/2026
Another release of GitHub Copilot CLI with some simple features that I love: - /ask - copilot plugin marketplace update Changelog: github.com/github/copil...
Copilot CLI banner with version 1.0.27
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Tug Grall @tgrall.bsky.social · 14/04/2026
🇫🇷Fini la corvée des PPTs et de la doc PDF ! 🇫🇷 Je vous montre comment déléguer ça à GitHub Copilot CLI : - Skills - Captures d'écran avec Playwright - Génération PPT + PDF Adoptez le réflexe "IA First" ! La vidéo : youtu.be/sN1WcynUZCs #GitHubCopilot #IA #CLI
youtu.be
🇫🇷 GitHub Copilot CLI : Comment j'utilise les Skills pour créer des présentations PowerPoint
YouTube video by Tug on Dev!
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Tug Grall @tgrall.bsky.social · 12/04/2026
Whether it’s coding, testing, or writing specs, start every idea with AI. Not because it has all the answers, but because it’s a great brainstorming tool. Here I used Copilot CLI to analyze and visualize data for a presentation. Watch here: www.youtube.com/watch?v=8NPB...
youtube.com
How to Build a Release Chart in Seconds with Copilot CLI
YouTube video by Tug on Dev!
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Tug Grall @tgrall.bsky.social · 09/04/2026
🇫🇷 — Minute par minute, l’anatomie d’un désastre. De l'erreur humaine à la faille technique, ce docu d’ARTE décortique l’engrenage de Tchernobyl avec une précision folle. Passionnant. www.arte.tv/fr/videos/12...
arte.tv
Tchernobyl, anatomie d’une catastrophe (3/3) - Responsabilité - Regarder le documentaire complet | ARTE
Quarante ans après la pire catastrophe nucléaire de l'histoire, cette enquête révèle les mécanismes d'un mensonge d'État. Dernier volet : à la conférence de l'Agence internationale de l'énergie atomique de Vienne, en août 1986, l'URSS se défausse de sa responsabilité, invoquant des erreurs humaines commises par le personnel de la centrale.
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Tug Grall @tgrall.bsky.social · 08/04/2026
Big news for those working in restricted or air-gapped environments: - GitHub Copilot CLI now supports local models and BYOK. I’m often asked if Copilot can work offline or in secure zones—now it finally can. Check out the update: github.blog/changelog/20... #GitHubCopilot
github.blog
Copilot CLI now supports BYOK and local models - GitHub Changelog
GitHub Copilot CLI now lets you connect your own model provider or run fully local models instead of using GitHub-hosted model routing. This means you can use the models and…
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Tug Grall @tgrall.bsky.social · 26/02/2026
The "I have a solid understanding" message from Copilot CLI is basically my love language now. Time to build.
Copilot message
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Tug Grall @tgrall.bsky.social · 10/02/2026
The new @GitHub Copilot CLI autopilot mode is an absolute game-changer. Use shift+tab to cycle through modes: cycle ➡ plan ➡ autopilot Seeing it scaffold a full app with tests, contexts, and clean builds in one go is wild. Test it out!
screenshot of the result with the list of things dones
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Tug Grall @tgrall.bsky.social · 09/02/2026
🇫🇷Peut-on migrer une app Java vers .NET 10 rien qu'avec l'IA ? J'ai utilisé Copilot CLI sur Spring PetClinic. Analyse Archi (mode : Plan)➔ Agents en parallèle ➔ Tests auto. Zéro ligne de code écrite manuellement. Démo complète et code 👇 #GitHubCopilot #AI #Dev
youtu.be
🇫🇷 Comment j'ai réécrit une application Java en .NET en quelques minutes avec Copilot CLI
YouTube video by Tug on Dev!
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Tug Grall @tgrall.bsky.social · 04/02/2026
If you swap between different IDEs (me: @vscode.dev and @intellijidea.com ), check out this feature matrix. It’s a breakdown of what Copilot can do across all supported editors. docs.github.com/en/copilot/r... Also, I'm using the Copilot CLI more every day— recommend it for terminal fans!
docs.github.com
Copilot feature matrix - GitHub Docs
Identify which IDEs support which GitHub Copilot features.
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Tug Grall @tgrall.bsky.social · 09/12/2025
On my way to Paris for #GenerationAICon! Looking forward to sharing the stage with @glaforge.dev to discuss our vision and experience with AI for developers. See you there!
Conference flyer
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Tug Grall @tgrall.bsky.social · 06/12/2025
🇫🇷- "À quel point l'État de droit est-il fragile ?" Un débat passionnant pour comprendre les tensions qui traversent notre société. À retrouver en podcast @franceculture.fr www.radiofrance.fr/francecultur... #ÉtatDeDroit #Démocratie #Politique
radiofrance.fr
À quel point l'État de droit est-il fragile ?
L'État de droit, d’ores et déjà affaibli aux États-Unis, est devenu en France une cible objective. À quel point est-il fragile ?
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Tug Grall @tgrall.bsky.social · 03/12/2025
Goodbye Durban and South Africa 🇿🇦 It was a great trip! Few things to remember : - Universe recap : github.com/events/unive... - when using #GitHubCopilot focus first on your context: use Plan mode to help you !
Durban see with waves Durban sea and lighthouse
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Tug Grall @tgrall.bsky.social · 30/11/2025
#GitHubCopilot visiting CapeTown. Happy to meet passionate developers there !
View of Cape Town from Table Mountain
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Tug Grall @tgrall.bsky.social · 27/11/2025
Having a great time meeting the 🇿🇦 developer community during #GitHubUniverse Recap! - Code, Copilot and Donuts
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Tug Grall @tgrall.bsky.social · 23/11/2025
✈️ On my way to South Africa! 🇿🇦 I’m heading to JNB & Cape Town for a packed week: • GitHub Universe Recap 🚀 • Customer visits • Meet-up with the Cape Town Java User Group ☕️ Who’s around? Let’s connect! #GitHubUniverse #Java #SouthAfrica #DevCommunity
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Tug Grall @tgrall.bsky.social · 19/11/2025
People often ask: “How do I start with #GitHub #Copilot?” The secret: preparation. Give Copilot #Context (instructions, prompts, agents). In this video, I show how to create: • Instructions from your codebase • A prompt using Plan Mode Watch: www.youtube.com/watch?v=7pK6...
youtube.com
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Tug Grall @tgrall.bsky.social · 17/11/2025
Développeurs et développeuses grenoblois, on se voit mercredi pour parler de GitHub Copilot et +++ www.meetup.com/fr-fr/alpesj...
meetup.com
GitHub Copilot & GiThub , mer. 19 nov. 2025, 19:00 | Meetup
# 🚀 GitHub Copilot : Les nouveautés de 2025 ! L’an dernier, vous avez découvert comment GitHub Copilot a révolutionné le quotidien des développeurs : rédaction de code, d
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Tug Grall @tgrall.bsky.social · 12/11/2025
GitHub Copilot is building GitHub! It acts as a programmer , fixing bugs and shipping new features faster than ever. See how the platform uses its own tool: github.blog/ai-and-ml/gi... #GitHubCopilot
github.blog
How Copilot helps build the GitHub platform
A breakdown of how Copilot coding agent has contributed to a better, more powerful GitHub.
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Tug Grall @tgrall.bsky.social · 09/11/2025
Still shocked talking to devs/tech folks who see GenAI as just “autocomplete + chat on steroids” No! Once you’ve clearly defined the work—requirements , architecture, quality, validation criteria—the “AI team” does the job for you. You’re the PM, it’s the dev squad. #Coding
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Tug Grall @tgrall.bsky.social · 08/11/2025
MCP server instructions just clarified so much for me—perfect for guiding LLMs on tool workflows (like GitHub PR reviews). This will help you too! Thanks to Ola Hungerford! blog.modelcontextprotocol.io/posts/2025-1... #MCP #LLM #GitHub
blog.modelcontextprotocol.io
Server Instructions: Giving LLMs a user manual for your server
Many of us are still exploring the nooks and crannies of MCP and learning how to best use the building blocks of the protocol to enhance agents and applications. Some features, like Prompts, are frequ...
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