✨htmx 4.0 Upgrades with Fetch API and New Features
htmx 4.0: Fetch API and More
TL;DR
htmx 4.0 is out with fetch API, native streaming, and new hx-partial tag. Perfect for devs working with AI assistants and Go/SQLite stacks.
htmx 4.0 has just dropped, swapping XMLHttpRequest for fetch API and introducing new features like hx-partial and explicit attribute inheritance. This update is a big deal for developers working with AI assistants and the Go/SQLite stack, as it improves performance and adds new capabilities like native streaming and built-in morphing swaps. The hx-partial tag allows for cleaner updates across multiple targets, while the hx-ignore attribute replaces hx-disable for better control. With a 60-second request timeout and a new command line checker, htmx 4.0 ensures smoother transitions and better security practices.
Key Points
htmx 4.0 moves from XMLHttpRequest to fetch API, enabling native streaming and keeping script size at 14KB.
hx-partial tag allows one response to update multiple targets, improving efficiency and cleanliness.
hx-ignore replaces hx-disable for better control over element behavior, ensuring smoother transitions.
Command line checker flags inheritance issues, renamed attributes, and old events for seamless upgrades.
htmx 4.0 ships under npm's next tag, with 2.x version remaining supported indefinitely.
Why It Matters
If you're working with AI assistants and the Go/SQLite stack, htmx 4.0's new features like fetch API and hx-partial tag will significantly improve performance and efficiency. The hx-ignore attribute and command line checker also ensure smoother transitions and better security practices.
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