# Svelte changelog
## 1.43.1
* Fix parameterised transitions ([#962](https://github.com/sveltejs/svelte/issues/962))
* Prevent boolean attributes breaking estree-walker expectations ([#961](https://github.com/sveltejs/svelte/issues/961))
* Throw error on cyclical store computations ([#964](https://github.com/sveltejs/svelte/pull/964))
## 1.43.0
* Export `Store` class to manage global state ([#930](https://github.com/sveltejs/svelte/issues/930))
* Recognise `aria-current` ([#953](https://github.com/sveltejs/svelte/pull/953))
* Support SSR register options including `extensions` ([#939](https://github.com/sveltejs/svelte/issues/939))
* Friendlier error for illegal contexts ([#934](https://github.com/sveltejs/svelte/issues/934))
* Remove whitespace around `<:Window>` components ([#943](https://github.com/sveltejs/svelte/issues/943))
## 1.42.1
* Correctly append items inside a slotted `each` block ([#932](https://github.com/sveltejs/svelte/pull/932))
* Fix `<:Window bind:online/>` ([#936](https://github.com/sveltejs/svelte/issues/936))
* Attach globals to state upon initialisation ([#908](https://github.com/sveltejs/svelte/issues/908))
## 1.42.0
* Implement `indeterminate` binding for checkbox inputs ([#910](https://github.com/sveltejs/svelte/issues/910))
* Use `