diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44d8e38..10014dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,90 +5,102 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v1.0.0) - 2024-01-01
+
+**Breaking Changes**
+
+- Remove `IntersectionObserverProps` or `Entry` TypeScript interfaces from `IntersectionObserver.svelte.d.ts`
+- Drop support for bundled ESM/UMD; code is only distributed as Svelte files
+
+**Fixes**
+
+- `element` and `root` prop types should be `null | HTMLElement` to support TypeScript strict mode
+- Add `exports` field to `package.json`
+
 ## [0.10.2](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.10.2) - 2024-01-01
 
 **Fixes**
 
-- add `exports` field to `package.json`
+- Add `exports` field to `package.json`
 
 ## [0.10.1](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.10.1) - 2023-07-20
 
 **Fixes**
 
-- fix `threshold` prop type to be `number | number[]`
+- Fix `threshold` prop type to be `number | number[]`
 
 ## [0.10.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.10.0) - 2021-12-29
 
 **Features**
 
-- mark `observer` for garbage collection after disconnecting
+- Mark `observer` for garbage collection after disconnecting
 
 **Documentation**
 
-- make prop descriptions consistent with docs
+- Make prop descriptions consistent with docs
 
 **Refactoring**
 
-- omit redundant `null` from `element` and `root` types as `HTMLElement` is already nullable
+- Omit redundant `null` from `element` and `root` types as `HTMLElement` is already nullable
 
 ## [0.9.2](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.9.2) - 2021-11-26
 
 **Documentation**
 
-- add `let:` directive example
-- update component prop descriptions
-- use Svelte syntax highlighting for `on:observe`, `on:intersect` examples
+- Add `let:` directive example
+- Update component prop descriptions
+- Use Svelte syntax highlighting for `on:observe`, `on:intersect` examples
 
 ## [0.9.1](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.9.1) - 2021-10-25
 
 **Documentation**
 
-- update the "Once" example to include the `"svelte-intersection-observer"` import
-- rename example `svite` to `vite`
+- Update the "Once" example to include the `"svelte-intersection-observer"` import
+- Rename example `svite` to `vite`
 
 **Refactoring**
 
-- inline `entry` prop typedef
-- remove `@event`, `@slot` artifacts used by sveld to generate initial TypeScript definitions
+- Inline `entry` prop typedef
+- Remove `@event`, `@slot` artifacts used by sveld to generate initial TypeScript definitions
 
 ## [0.9.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.9.0) - 2021-10-05
 
-- improve TypeScript definitions for dispatched events
+- Improve TypeScript definitions for dispatched events
   - `on:observe`: `event.detail.isIntersecting` is a `boolean`
   - `on:intersect`: `event.detail.isIntersecting` can only be `true`
 
 ## [0.8.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.8.0) - 2021-09-02
 
-- use `.svelte.d.ts` extension for component TypeScript definition
+- Use `.svelte.d.ts` extension for component TypeScript definition
 
 ## [0.7.1](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.7.1) - 2021-07-05
 
 **Documentation**
 
-- add description for basic usage
-- add `on:observe` example
-- explain difference between `on:observe` and `on:intersect`
-- document `IntersectionObserverEntry` interface
-- re-order prop table so that `once` and `intersecting` are more prominent
+- Add description for basic usage
+- Add `on:observe` example
+- Explain difference between `on:observe` and `on:intersect`
+- Document `IntersectionObserverEntry` interface
+- Re-order prop table so that `once` and `intersecting` are more prominent
 
 ## [0.7.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.7.0) - 2021-04-23
 
 **Features**
 
-- re-initialize observer if `rootMargin` changes
+- Re-initialize observer if `rootMargin` changes
 
 ## [0.6.1](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.6.1) - 2021-04-03
 
 **Fixes**
 
-- move intersection observer instantiation to `onMount` to work in hydration use cases
+- Move intersection observer instantiation to `onMount` to work in hydration use cases
 
 ## [0.6.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.6.0) - 2021-02-24
 
 **Features**
 
-- export `observer` prop (type `IntersectionObserver`)
-- dispatch "intersect" event if the observed element `isIntersecting` the viewport
+- Export `observer` prop (type `IntersectionObserver`)
+- Dispatch "intersect" event if the observed element `isIntersecting` the viewport
 
 ## [0.5.0](https://github.com/metonym/svelte-intersection-observer/releases/tag/v0.5.0) - 2021-01-20
 
diff --git a/package.json b/package.json
index 68c5bbd..a8f4b5c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte-intersection-observer",
-  "version": "0.10.2",
+  "version": "1.0.0",
   "license": "MIT",
   "description": "Detect if an element is in the viewport using the Intersection Observer API",
   "author": "Eric Liu (https://github.com/metonym)",