# bigskysoftware/htmx · RepoSense Release & Migration Intelligence

> Any trigger now cancels a pending `delay` or `throttle` tr. Drop-in upgrade. Migration: None.

## Metadata
- **Repository URL**: https://github.com/bigskysoftware/htmx
- **Primary Package**: `htmx.org` (NPM)
- **Categories**: `FRAMEWORK`
- **Latest Version**: `v4.0.1`
- **Semantic Status**: `COMPATIBLE`
- **Bundle Size Impact (unavailable)**: `Size Unavailable`
- **Atom Ingestion Feed**: https://github.com/bigskysoftware/htmx/releases.atom

## The Human Context (Plain-English Pitch)
htmx.org is an open-source library and developer tool in the bigskysoftware/htmx ecosystem. It saves developers from writing repetitive low-level boilerplate from scratch by providing a battle-tested, open-source implementation ready for production.

## Stage 1 Executive Summary ([Core Change] + [Required Action] + [Migration Effort])
Any trigger now cancels a pending `delay` or `throttle` tr. Drop-in upgrade. Migration: None.

## Breaking Changes & Required Actions
- Any trigger now cancels a pending `delay` or `throttle` trigger on the same element, as in 2.x
- Fixed an older response overwriting a newer one with `hx-sync` replace (#4028)
- Fixed a response with only `hx-partial` blanking the body, and `ignoreTitle` support in `hx-partial`
- Improved history back and forward reliability, and fixed the `hx-history-cache` POST stamp (#4067)

## Migration Snippet
```ts
npm install htmx.org@4.0.1
```

## Ecosystem Compatibility Matrix & Graph Warnings
- **TypeScript 5.x** [`COMPATIBLE`]: Ships standard TypeScript declaration files without type regressions.

## Zero-Noise Release Timeline
- **v4.0.1** (2026-11-01) [COMPATIBLE]: Any trigger now cancels a pending `delay` or `throttle` tr. Drop-in upgrade. Migration: None.

## Upgrade & Migration Q&A (GEO Direct Answers)
### Is bigskysoftware/htmx v4.0.1 safe to upgrade in production?
bigskysoftware/htmx v4.0.1 is classified as COMPATIBLE (PATCH release). Any trigger now cancels a pending `delay` or `throttle` tr. Drop-in upgrade. Migration: None.

### What breaking changes or compatibility risks exist in bigskysoftware/htmx v4.0.1?
No breaking API changes or peer dependency conflicts are recorded for bigskysoftware/htmx v4.0.1 in the RepoSense compatibility graph.

### What is the bundle size impact of htmx.org v4.0.1?
Measured bundle size telemetry is currently unavailable for htmx.org v4.0.1; verify build output locally before deploying.

### How do I upgrade htmx.org to v4.0.1?
Upgrade htmx.org to v4.0.1 by running "npm install htmx.org@4.0.1" and applying the migration steps: npm install htmx.org@4.0.1