Andrew Long @aslong

Principal Engineer @roblox | prev @atlassian, @mailbox, @hp, @palm | Crazy enough to think that I can change the world Joined May 2008

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Roblox @Roblox

2 months ago

With Planning Mode in Roblox Assistant, creators can now take control of complex builds, move from concept to playable faster, and iterate with automated testing and feedback.

Today we're announcing Planning Mode in Roblox Assistant. Planning Mode breaks down complex ideas into actionable tasks, executes them, and iterates based on real-time feedback. This is another step in our quest to compress the gap between imagination and creation.

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Roblox @Roblox

3 months ago

Today, we’re introducing Roblox Plus. Launching April 30, this new subscription offers more value, exclusive benefits like free private servers and instant Robux transfers, and more ways for creators to earn. Learn more about.roblox.com/newsroom/2026/…

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Andrew Long @aslong

3 months ago

Sharing, acquiring, and improving the efficiency of human knowledge has never been more personal and convenient. Our future is so bright and full of possibilities.

Andrej Karpathy @karpathy

3 months ago

Wow, this tweet went very viral! I wanted share a possibly slightly improved version of the tweet in an "idea file". The idea of the idea file is that in this era of LLM agents, there is less of a point/need of sharing the specific code/app, you just share the idea, then the

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Cheng Lou @_chenglou

3 months ago

My dear front-end developers (and anyone who’s interested in the future of interfaces): I have crawled through depths of hell to bring you, for the foreseeable years, one of the more important foundational pieces of UI engineering (if not in implementation then certainly at least in concept): Fast, accurate and comprehensive userland text measurement algorithm in pure TypeScript, usable for laying out entire web pages without CSS, bypassing DOM measurements and reflow

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Andrew Long @aslong

4 months ago

@nikunj Good one, old friend. 🙇‍♂️

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David Baszucki @DavidBaszucki

4 months ago

Studio MCP Server now supports full agentic loops, and Assistant can connect to external LLMs via Bring Your Own Key (BYOK). This allows creators to automatically edit, test, and refine their code with AI in plain language on Roblox using their preferred tools. The simple video shows a full loop with analyze, test, bug found, fix, test, pass. devforum.roblox.com/t/studio-mcp-s…

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Roblox @Roblox

8 months ago

The new Xbox Ally handheld just dropped, and Roblox creators have been hard at work making sure your favorite games—like RIVALS, 99 Nights in the Forest, Driving Empire, Dandy’s World, Build a Plane, and FRONTLINE VERSUS—are ready to play on day one.

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Bloxy News @Bloxy_News

9 months ago

Lights on Roblox can now shine double the distance (60 → 120), making it easier for Creators to light up larger spaces with fewer light sources.

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RTC @Roblox_RTC

10 months ago

Roblox has broken the record of most concurrent users on a platform, ever, with a peak of 47,296,412 players. This beats the previous record held by Steam, with them having 41,239,880 players on their platform.

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David Baszucki @DavidBaszucki

10 months ago

Today over 45M users were on Roblox at the same time, in great games like Steal a Brainrot, Grow a Garden, 99 Nights in the Forest, Blox Fruits, Brookhaven and Dress to Impress (including some fun CCU battles).

Jandel @jandelRblx

10 months ago

Congrats to Steal a Brainrot for hitting 20m CCU, Thanks to all the players who supported us, and to @SpyderSammy... the beef may be squashed for now... but watch yourself.