TypeScript 7 Beta, Deno Fresh 2.3, and Const Generics | News | Ep 65

News for the week of April 20, 2026: highlights from the recent TypeScript 7 beta and Deno Fresh quality of life improvements. From the community: Bloomberg's type-safe CLI library, a new TSGO toolchain, and TypeScript database migrations.

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Chapters

• (00:00) - Welcome to the Show
• (05:42) - News: TypeScript 7 Beta!
• (15:01) - News: Deno Fresh 2.3 is Zero JS by Default
• (18:37) - News: Firefox 150 Has Better Split Views, PDF Editor
• (20:23) - Library Watch: TypeScriptToLua Supports TS 6.0
• (21:34) - Library Watch: ttsc, a TypeScript Go Toolchain to Replace tsx
• (23:27) - Library Watch: tesseron, Turn Any App Into an MCP Server
• (26:03) - Library Watch: stricli, Bloomberg's Lightweight CLI Library
• (27:38) - Highlight: Writing Node.js Add-ons with .NET Native AOT
• (30:28) - Highlight: Prisma Next Supports TypeScript Migrations
• (33:24) - Highlight: Create a Complete Zod Clone from WebDevSimplified
• (34:03) - Highlight: TuiSky, a Terminal UI Client for BlueSky
• (34:49) - Highlight: unbash v3 is the Fastest and Bestest Parser of Bash
• (35:12) - Highlight: Graphics Programming with WebGPU and TypeScript
• (36:09) - Bleet of the Week
• (36:25) - Secret of the Handbook: Const Generics
• (37:32) - Cool Link: Sorting 10,000 Lego Parts per Day
• (39:07) - Cool Link: Building a Better Chess Bot in C#
• (39:39) - Cool Link: Whimsical Animations Course
• (41:23) - Cool Link: Web Serial API
• (44:07) - The Minnesota Long Goodbye

News

• Microsoft: Announcing TypeScript 7.0 Beta
• Deno: Fresh 2.3: Zero JS by default, View Transitions, and Temporal support
• Firefox: Firefox 150.0, See All New Features, Updates and Fixes

Library Watch

• TypeScriptToLua v1.36.0: TS 6.0 support
• samchon/ttsc: A `typescript-go` toolchain for compiler-powered transforms and type-safe execution.
• Tesseron: In-app MCP layer that interfaces with agent tools (like WebMCP)
• Stricli: Bloomberg’s type-safe CLI framework

From the Community

• Microsoft: Writing Node.js addons with .NET Native AOT
• Prisma: TypeScript Migrations in Prisma Next
• WebDevSimplified: Create a Complete Zod Clone In TypeScript
• Michael Black: TUI for Bluesky in TypeScript
• Lars: Unbash v3
• Ryosuke: WebGPU w/ TypeScript
• Bleet of the week
• Secret of the Handbook: I Can’t Believe This TS Feature Has No Documentation

Cool Links

• Cool Watch: Coding Adventure: Making a Better Chess Bot
• Cool Watch: Why we had to reinvent the conveyor belt
• Cool Course: Whimsical Animations
• Web Serial API: Read from and write to a serial port

Music
Seahorse Dreams by Kubbi (Spotify)