Felipe Cardozo's Avatar

Felipe Cardozo

@frai.dev

Software Engineer at @deno.land

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02.09.2024
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Latest posts by Felipe Cardozo @frai.dev

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Deno v2.7.2 is released

`deno install` is now dramatically faster

Full release notes at: github.com/denoland/den...

03.03.2026 16:26 πŸ‘ 51 πŸ” 4 πŸ’¬ 2 πŸ“Œ 0
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Deno Sandbox

Get Linux microVMs instantly for you or your agentic coding buddy.

Watch the full demo:
deno.co/show/sandbox...

13.02.2026 10:08 πŸ‘ 19 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1
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Release v2.6.9 Β· denoland/deno 2.6.9 / 2026.02.10 feat(doc): support markdown files (#32024) feat(upgrade): ability to verify zip archive against checksum (#31804) feat(upgrade): add context to error messages for better trouble...

Deno v2.6.9 is out with Markdown support in `deno doc`, checksum verification for `deno upgrade`, major `node:worker_threads` and
`node:zlib` compatibility improvements, and 34 other fixes.

github.com/denoland/den...

10.02.2026 18:09 πŸ‘ 31 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
3D printed enclosure of BMO

3D printed enclosure of BMO

I built BMO from Adventure Time as an embodied local AI agent. Here's a full video break down of the project:
youtube.com/watch?v=l5ggH-YhuAw

STL and PCB files available here: printables.com/model/1582055

02.02.2026 17:46 πŸ‘ 26 πŸ” 12 πŸ’¬ 5 πŸ“Œ 0
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I just published the pipeline runner for matching decompilation that I've been working on πŸŽ‰

Mizuchi automates the loop of writing C code, compiling it, and comparing against the target binary.

26.01.2026 13:03 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 1
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Release v2.6.6 Β· denoland/deno 2.6.6 / 2026.01.22 feat(cli/tsc): show progress bar for TSGO downloads (#31893) feat(inspector): accept bare host and bare port for --inspect flag (#31881) feat(inspector/unstable): add /ws/events...

Deno v2.6.6 just shipped with 11 bug fixes for Node compatibility, OTEL for cron, better `@types` handling, improvements to `deno task` and more.

Check out full changelog at github.com/denoland/den...

22.01.2026 22:31 πŸ‘ 31 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0

Proud to have worked on this πŸš€

17.12.2025 03:14 πŸ‘ 4 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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feat: worker debugging support via CDP by fraidev Β· Pull Request #31527 Β· denoland/deno This PR adds support for debugging Workers through the Chrome DevTools Protocol (CDP). It enables both Chrome DevTools and VSCode to debug workers spawned by Deno applications. Protocol Bifurcation...

Deno v2.6.2 will ship with a major improvement to the debugger - Web workers, `node:worker_threads` and stopping in any test file will now be supported!

This will work in both VS Code and Chrome DevTools.

PRs for the curious:
github.com/denoland/den...
github.com/denoland/den...

16.12.2025 22:23 πŸ‘ 20 πŸ” 3 πŸ’¬ 1 πŸ“Œ 2
The source of the standard Rust Hello World program with the generated assembly before and after the change.

The before version has 11 instructions and stores 56 bytes on the stack. The after version has 3 instructions and stores no data on the stack.

The source of the standard Rust Hello World program with the generated assembly before and after the change. The before version has 11 instructions and stores 56 bytes on the stack. The after version has 3 instructions and stores no data on the stack.

πŸ¦€ I've improved the implementation behind all the string formatting macros in Rust: println, panic, format, write, log::info, etc. (Everything using format_args!().) They will compile a bit faster, use a bit less memory while compiling, result in smaller binaries, and produce more efficient code! πŸŽ‰

13.11.2025 13:31 πŸ‘ 530 πŸ” 60 πŸ’¬ 11 πŸ“Œ 3

Dead Rising

30.10.2025 18:15 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Vou participar do prΓ³ximo Nerdcast, onde falarei sobre organizaΓ§Γ£o de eventos tech e, mais especificamente, da
@gambiconf.dev πŸ’

O Fernando Amatte (organizador da BSides) tambΓ©m estarΓ‘ presente.

Teria algo que vocΓͺ gostaria de saber e escutar no programa?

18.10.2025 18:27 πŸ‘ 8 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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The worst part of #Rust

27.12.2024 18:38 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Lembro que quando eu passava pelas cidades de Ragnarok me dava vertigem, pela quantidade de gente. Nunca tive isso em nenhum outro jogo.

05.12.2024 16:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0