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In order to keep release notes current during the development cycle, this updates `next.mdx` with one new PR gathered from `main` since v4.5.4: - **#8322** — Add `mapNodeToRenderSpec` and `createShape` extensibility options to `@tldraw/mermaid` No stale entries were found; no archival was needed. ### Change type - [x] `other` ### Code changes | Change | Details | | ------------- | ----------------------------------- | | Documentation | Update `next.mdx` with new PR entry | ### Test plan - [ ] Unit tests - [ ] End to end tests
Adds an interactive recreation of the [xkcd "Dependency" comic (#2347)](https://xkcd.com/2347/) as a tldraw SDK example, inspired by [isohedral's p5.js version](https://editor.p5js.org/isohedral/full/vJa5RiZWs). The example builds a tower of geo shapes matching the comic's layout and simulates physics using Rapier 2D — blocks settle under gravity, and you can drag or delete blocks to watch the tower collapse. https://github.com/user-attachments/assets/4a32706c-8f72-4e9e-9eb6-b07cf0cdc052 ### Change type - [x] `other` ### Test plan 1. Run `yarn dev` and navigate to the "Gravity sim (xkcd 2347)" example under use-cases 2. Wait for blocks to settle after the initial physics warm-up 3. Drag a block out of the tower and watch surrounding blocks react 4. Delete a block and confirm the tower collapses realistically 5. Pull out the red "critical dependency" block and watch everything fall ### Release notes - Add xkcd 2347 "Dependency" physics example demonstrating Rapier 2D integration with tldraw shapes ### Code changes | Section | LOC change | | --------------- | ---------- | | Documentation | +406 / -0 | | Config/tooling | +9 / -0 | Made with [Cursor](https://cursor.com) --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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