Tap a claim on the ring to put it at the centre.
← People adopted TypeScript for the tooling, not the types: an erasable…
17 connected korrents · 14 moments from 6 Nov 2023 to 1 Sept 2026. Nearly all of them are about TypeScript .
Everything filed under developer tools
developer tools
Everything filed under JavaScript
JavaScript Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: People adopted TypeScript for the tooling, not the types: an erasable type system is worth having because of the productivity the tooling built on it delivers. People adopted TypeScript for the tooling, not the types: an erasable type system is worth having because of the productivity the tooling built on it delivers. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A programming language is a ten-year play: version one has issues, version two fixes them, version three is finally good — and only then does adoption start. — tap to centre the map on it A programming language is a ten-year play: version one has issues, version two fixes them, version three is finally good — and only then does adoption start. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A proprietary language licensed from Microsoft had zero chance in the JavaScript ecosystem: TypeScript had to be open source or nobody would come. — tap to centre the map on it A proprietary language licensed from Microsoft had zero chance in the JavaScript ecosystem: TypeScript had to be open source or nobody would come. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: Because its types are erased before the program runs, TypeScript can afford not to be sound: checking 99% beats the 0% JavaScript checked, and buys features a sound language cannot offer. — tap to centre the map on it Because its types are erased before the program runs, TypeScript can afford not to be sound: checking 99% beats the 0% JavaScript checked, and buys features a sound language cannot offer. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: Discriminated unions are the most important TypeScript feature, and everyone should be using them more. — tap to centre the map on it Discriminated unions are the most important TypeScript feature, and everyone should be using them more. Last stated 2 years ago
18 Dec 2024
DM
Dillon Mulroy — holds since 2024-12-18 — tap for who they are
Same subject: For a TypeScript team, Rust belongs on the backend — API servers — and not in the front end. — tap to centre the map on it For a TypeScript team, Rust belongs on the backend — API servers — and not in the front end. Last stated 5 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: If you can use Effect for TypeScript, you should -- to the point of not starting a new project without it. — tap to centre the map on it If you can use Effect for TypeScript, you should -- to the point of not starting a new project without it. Last stated 2 months ago
1 Sept 2026
DM
Dillon Mulroy — holds since 2026-01-09 — tap for who they are
DM
Dillon Mulroy — holds since 2026-09-01 — tap for who they are
Same subject: React and TypeScript developers are infantilized by the ecosystem's thought leaders; anything beyond a simple CRUD app will need generics, mapped types and memoization. — tap to centre the map on it React and TypeScript developers are infantilized by the ecosystem's thought leaders; anything beyond a simple CRUD app will need generics, mapped types and memoization. Last stated 3 years ago
6 Nov 2023
DM
Dillon Mulroy — holds since 2023-11-06 — tap for who they are
Same subject: Rust's least mature area is the front end: write the backend in Rust and the front end in TypeScript rather than shipping Rust to the browser through WebAssembly. — tap to centre the map on it Rust's least mature area is the front end: write the backend in Rust and the front end in TypeScript rather than shipping Rust to the browser through WebAssembly. Last stated 5 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A developer using AI coding tools remains responsible for reviewing the code they ship. — tap to centre the map on it A developer using AI coding tools remains responsible for reviewing the code they ship. Last stated 7 months ago
10 Mar 2026
JS
Jon Seager — holds since 2026-03-10 — tap for who they are
Same subject: A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. — tap to centre the map on it A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. Last stated a year ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: A software engineer who is not using a tool like Cursor is working at half productivity or worse. — tap to centre the map on it A software engineer who is not using a tool like Cursor is working at half productivity or worse. Last stated a year ago
18 Aug 2025
BT
Bret Taylor — holds since 2025-08-18 — tap for who they are
Same subject: AI coding agents work best with the same general-purpose tools built for humans, such as git and file utilities, rather than agent-specific interfaces. — tap to centre the map on it AI coding agents work best with the same general-purpose tools built for humans, such as git and file utilities, rather than agent-specific interfaces. Last stated a year ago
30 Sept 2025
HR
Harper Reed — holds since 2025-09-30 — tap for who they are
Same subject: AI coding assistants remove repetitive work without replacing human judgment. — tap to centre the map on it AI coding assistants remove repetitive work without replacing human judgment. Last stated 8 months ago
17 Feb 2026
EB
Emanuele Bartolesi — holds since 2026-02-17 — tap for who they are
Same subject: A profiler measures time already spent in an operation, not how much time would be saved by optimizing it. — tap to centre the map on it A profiler measures time already spent in an operation, not how much time would be saved by optimizing it. Last stated 3 years ago
18 Dec 2023
NE
Nelson Elhage — holds since 2023-12-18 — tap for who they are
Same subject: A tool's speed comes primarily from its design decisions rather than the programming language it is written in. — tap to centre the map on it A tool's speed comes primarily from its design decisions rather than the programming language it is written in. Last stated 10 months ago
29 Dec 2025
AP
Aaron Patterson — holds since 2025-12-29 — tap for who they are
Same subject: Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose. — tap to centre the map on it Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose. Last stated a year ago
3 Aug 2025
BG
Brendan Gregg — holds since 2025-08-03 — tap for who they are
At the centre
People adopted TypeScript for the tooling, not the types: an erasable type system is worth having because of the productivity the tooling built on it delivers.
Holds Read this korrent →
A programming language is a ten-year play: version one has issues, version two fixes them, version three is finally good — and only then does adoption start.
Holds
A proprietary language licensed from Microsoft had zero chance in the JavaScript ecosystem: TypeScript had to be open source or nobody would come.
Holds
Because its types are erased before the program runs, TypeScript can afford not to be sound: checking 99% beats the 0% JavaScript checked, and buys features a sound language cannot offer.
Holds
Discriminated unions are the most important TypeScript feature, and everyone should be using them more.
Holds
For a TypeScript team, Rust belongs on the backend — API servers — and not in the front end.
Holds
If you can use Effect for TypeScript, you should -- to the point of not starting a new project without it.
Holds
React and TypeScript developers are infantilized by the ecosystem's thought leaders; anything beyond a simple CRUD app will need generics, mapped types and memoization.
Holds
Rust's least mature area is the front end: write the backend in Rust and the front end in TypeScript rather than shipping Rust to the browser through WebAssembly.
Holds
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Holds
A developer using AI coding tools remains responsible for reviewing the code they ship.
Holds
A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
Holds
A software engineer who is not using a tool like Cursor is working at half productivity or worse.
Holds
AI coding agents work best with the same general-purpose tools built for humans, such as git and file utilities, rather than agent-specific interfaces.
Holds
AI coding assistants remove repetitive work without replacing human judgment.
Holds
A profiler measures time already spent in an operation, not how much time would be saved by optimizing it.
Holds
A tool's speed comes primarily from its design decisions rather than the programming language it is written in.
Holds
Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose.
Holds