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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Andrew Long retweeted
At #RDC26, we finally revealed what's next for terrain and I couldn't be more excited for creators.
Andrew Long retweeted
Tomorrow we get to spend the day with the most creative people anywhere in the world. See you at RDC.
youtube.com/live/RdHWoOZX1mo
Andrew Long retweeted
Managing groups of game objects just got easier.
Collections, now in Studio Beta, use live queries to group instances and bind your logic to the whole group, reducing boilerplate code.
Learn more on the #RobloxDev forum below. devforum.roblox.com/t/studio…
![[Full Release] Collections](https://pbs.twimg.com/card_img/2116290008302718976/2oS1Z0u6?format=png&name=420x420_2)
Andrew Long retweeted
We gave our team here at Roblox early access to Build, and invited them to experiment and see what they could come up with. As Build starts rolling out in public alpha, we’re sharing a few quick prototypes they created as an early glimpse of what's possible. 🧵🔽
Announcing Build, a new mobile-first creation experience coming soon to Roblox.
With Build, we’re opening creation to more people while also rolling out powerful new tools for existing creators to help them test and iterate faster. Learn more: rblx.co/buildwithoutlimits
Andrew Long retweeted
Plus subscribers can now customize their app with 10 curated color themes and more on the way. Learn more: devforum.roblox.com/t/expand…
Andrew Long retweeted
Announcing Build, a new mobile-first creation experience coming soon to Roblox.
With Build, we’re opening creation to more people while also rolling out powerful new tools for existing creators to help them test and iterate faster. Learn more: rblx.co/buildwithoutlimits
Andrew Long retweeted
For 20 years, Roblox has been on a mission to remove limits on what gaming is – and what it can be.
Today, we're introducing Build – a new way for anyone to create a game on Roblox from their phone. And we’re expanding AI-powered tools for developers of every level.
We're doing this for one reason: The world needs more play.
Play is humanity's oldest technology for connection and learning. Before agriculture, before commerce, before civilization, we played together. And as the world has become more fragmented, the need for play only grows. Our role is to remove every obstacle between that play and the people who want to create it. Faster iteration and fewer technical constraints. And more room to push further than a single creator – or a small team – could have gone in the past.
This isn’t just for studios who've already proven themselves. Some of the most important work in this industry has come from first-time creators – who were often Roblox players first – with a single focused idea.
Between now and RDC, we'll incrementally roll out what we are building to make all of this real – new tools for creators, new ways for players to play, and new ways for people to find the things they love.
Andrew Long retweeted
Server Authority is now available for all creators. Block physics-based exploits like speed hacks without custom anti-cheat code, while prediction and rollback help preserve a responsive player experience.
Learn more on the #RobloxDev forum.
devforum.roblox.com/t/full-r…
Andrew Long retweeted
Stop dreaming about your game, and start shipping it. Whether you're an experienced developer or have a novel concept, the Roblox Jumpstart program gives you the resources to go from an idea to a published game fast.
What will you build? Apply now: rblx.co/build
Andrew Long retweeted
In March, we launched our Incubator program to support creators building the next generation of high-fidelity games on Roblox. Today, a first look at the 26 teams in our 2026 cohort (Octane by Ignition Switch shown here).
Andrew Long retweeted
Our Terrain Early Access program is live. Get an early look at tools that enable larger, more immersive worlds with performance optimizations and up to 64 custom materials. #RobloxDev
Learn more and sign up below.
devforum.roblox.com/t/early-…
Andrew Long retweeted
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. devforum.roblox.com/t/announ…
Andrew Long retweeted
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/20…
Andrew Long retweeted
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
Andrew Long retweeted
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…
Andrew Long retweeted
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.
