See the release [compare page](https://github.com/liabru/matter-js/compare/0.18.0...0.19.0) and the [changelog](https://github.com/liabru/matter-js/blob/0.19.0/CHANGELOG.md) for a more detailed list of changes.
### Migration ⌲
See [PR #777](https://github.com/liabru/matter-js/pull/777#issue-487893963) for related changes and notes useful for migration.
### Comparison⎄
For more information see [comparison method](https://github.com/liabru/matter-js/pull/794).
```ocaml
Output comparison of 43 examples at 60hz against previous release matter-js@0.18.0
Many thanks to the [contributors](https://github.com/liabru/matter-js/compare/0.18.0...0.19.0) of this release, [past contributors](https://github.com/liabru/matter-js/graphs/contributors) as well those involved in the [community](https://github.com/liabru/matter-js/issues) for your input and support.
- Added note about avoiding Webpack [performance problems](https://github.com/liabru/matter-js/blob/master/README.md#install)
### Changes✲
See the release [compare page](https://github.com/liabru/matter-js/compare/0.17.1...0.18.0) and the [changelog](https://github.com/liabru/matter-js/blob/0.18.0/CHANGELOG.md) for a detailed list of changes.
### Migration ⌲
- Behaviour and similarity is in practice the same (a fractional difference from improved accuracy)
- API is the same other than:
- [Matter.Detector](https://brm.io/matter-js/docs/classes/Detector.html) replaces [Matter.Grid](https://brm.io/matter-js/docs/classes/Grid.html) (which is now deprecated but will remain for a short term)
- [render.options.showBroadphase](https://brm.io/matter-js/docs/classes/Render.html#property_options.showBroadphase) is deprecated (no longer implemented)
- [Matter.SAT](https://brm.io/matter-js/docs/classes/SAT.html) is renamed [Matter.Collision](https://brm.io/matter-js/docs/classes/Collision.html)
- [Matter.SAT.collides](https://brm.io/matter-js/docs/classes/SAT.html#method_collides) is now [Matter.Collision.collides](https://brm.io/matter-js/docs/classes/Collision.html#method_collides) with a slightly different set of arguments
### Comparison⎄
Differences in behaviour, quality and performance against the previous release `0.17.1`. For more information see [comparison method](https://github.com/liabru/matter-js/pull/794).
```ocaml
Output comparison of 43 examples against previous release matter-js@0.17.1
where · no change ● extrinsics changed ◆ intrinsics changed
```
### Contributors♥︎
Many thanks to the [contributors](https://github.com/liabru/matter-js/compare/0.17.1...0.18.0) of this release, [past contributors](https://github.com/liabru/matter-js/graphs/contributors) as well those involved in the [community](https://github.com/liabru/matter-js/issues) for your input and support.
Release notes for `0.17.0`. See the release [readme](https://github.com/liabru/matter-js/blob/0.17.0/README.md) for further information.
### Highlights✺
- Added performance and stats monitoring overlays to `Matter.Render`
- See the [stats demo](https://brm.io/matter-js/demo/#stats) or enable [render.options.showPerformance](https://brm.io/matter-js/docs/classes/Render.html#property_options.showPerformance) and [render.options.showStats](https://brm.io/matter-js/docs/classes/Render.html#property_options.showStats)
- Stats shown include
- render frequency (e.g. `60 fps`)
- engine delta time (e.g. `16.66ms`)
- engine execution duration (e.g. `5.00ms`)
- render execution duration (e.g.` 0.40ms`)
- effective play speed (e.g. `1.00x` is real-time)
- various other engine internal stats for debugging
- Added [Common.setDecomp](https://brm.io/matter-js/docs/classes/Common.html#method_setDecomp) and [Common.getDecomp](https://brm.io/matter-js/docs/classes/Common.html#method_getDecomp) to fix [bundler issues](https://github.com/liabru/matter-js/issues/981)
- Added docs for all [Matter.Render options](https://brm.io/matter-js/docs/classes/Render.html#properties)
- Migrated usage of `Matter.World` over to `Matter.Composite` (more info in [docs](https://brm.io/matter-js/docs/classes/World.html))
- Migrated, deprecated and removed various old functionality (see the [changelog](https://github.com/liabru/matter-js/blob/0.17.0/CHANGELOG.md) for details)
### Changes✲
See the release [compare page](https://github.com/liabru/matter-js/compare/0.16.1...0.17.0) and the [changelog](https://github.com/liabru/matter-js/blob/0.17.0/CHANGELOG.md) for a detailed list of changes.
### Comparison⎄
Differences in behaviour, quality and performance against the previous release `0.16.1`. For more information see [comparison method](https://github.com/liabru/matter-js/pull/794).
```ocaml
Output comparison of 37 examples against previous release matter-js@0.16.1
where · no change ● extrinsics changed ◆ intrinsics changed
```
### Contributors♥︎
Many thanks to the [contributors](https://github.com/liabru/matter-js/compare/0.16.1...0.17.0) of this release, [past contributors](https://github.com/liabru/matter-js/graphs/contributors) as well those involved in the [community](https://github.com/liabru/matter-js/issues) for your input and support.
Release notes for `0.16.0`. See the release [readme](https://github.com/liabru/matter-js/blob/0.16.0/README.md) for further information.
### Highlights✺
- Changed external require method for `poly-decomp` ([882e07c](https://github.com/liabru/matter-js/commit/882e07c))
- Improved `Bodies.fromVertices` decomposition quality using `removeDuplicatePoints` ([#639](https://github.com/liabru/matter-js/pull/639))
- Added support for `>x.x.x` and `>=x.x.x` semver ranges in plugins ([0792716](https://github.com/liabru/matter-js/commit/0792716))
- Changed demo example select background colour for Windows ([matter-tools #5](https://github.com/liabru/matter-tools/pull/5))
- Updated demo to use latest [matter-tools](https://github.com/liabru/matter-tools) ([#33e8fe8](https://github.com/liabru/matter-js/commit/33e8fe8))
- Updated SVG and terrain examples to use `fetch` ([5551cd5](https://github.com/liabru/matter-js/commit/5551cd5))
### Changes✲
See the release [compare page](https://github.com/liabru/matter-js/compare/0.15.0...0.16.0) and the [changelog](https://github.com/liabru/matter-js/blob/0.16.0/CHANGELOG.md) for a detailed list of changes.
### Comparison⎄
Differences in behaviour, quality and performance against the previous release `0.15.0`. For more information see [comparison method](https://github.com/liabru/matter-js/pull/794).
```ocaml
Output comparison of 41 examples against matter-js@0.15.0 build on last run
where · no change ● extrinsics changed ◆ intrinsics changed
```
### Contributors♥︎
Many thanks to the [contributors](https://github.com/liabru/matter-js/compare/0.15.0...0.16.0) of this release, [past contributors](https://github.com/liabru/matter-js/graphs/contributors) as well those involved in the [community](https://github.com/liabru/matter-js/issues) for your input and support.
Release notes for `0.15.0`. See the release [readme](https://github.com/liabru/matter-js/blob/0.15.0/README.md) for further information.
### Highlights✺
- __Optimised performance up to ~30% boost vs. `0.14.2`__ ([#528](https://github.com/liabru/matter-js/pull/528)) ([#522](https://github.com/liabru/matter-js/pull/522)) ([#553](https://github.com/liabru/matter-js/pull/553))
- Fixed issues with decomp require ([0af1645](https://github.com/liabru/matter-js/commit/0af1645))
- Fixed issues with render pixel ratio ([d577477](https://github.com/liabru/matter-js/commit/d577477))
### Changes✲
See the release [compare page](https://github.com/liabru/matter-js/compare/0.14.2...0.15.0) and the [changelog](https://github.com/liabru/matter-js/blob/0.15.0/CHANGELOG.md) for a detailed list of all changes.
### Comparison⎄
Differences in behaviour, quality and performance against the previous release `0.14.2`. For more information see [comparison method](https://github.com/liabru/matter-js/pull/794).
```ocaml
Output comparison of 41 examples against matter-js@0.14.2 build on last run
where · no change ● extrinsics changed ◆ intrinsics changed
```
### Contributors♥︎
Many thanks to the [contributors](https://github.com/liabru/matter-js/compare/0.14.2...0.15.0) of this release, [past contributors](https://github.com/liabru/matter-js/graphs/contributors) as well those involved in the [community](https://github.com/liabru/matter-js/issues) for your input and support.
