10.16.0

[JoviDeCroock]

Improved child diffing

• Port skew based child diffing (Port skew based child diffing #4010, thanks @JoviDeCroock)

We have noticed a few scenario's where children would get unmounted and remounted eagerly due to some offset bugs in our child-diffing, with skew-based diffing we plan to address those. This is already part of v11 and has been introduced there by @andrewiggins. This has now been backported to Preact X so we can benefit from the consistency improvements here as well.

Defer setting refs

• fix: setting ref to null after updating it with new element (fix: setting ref to null after updating it with new element #4054, thanks @JoviDeCroock)

We used to set refs as part of the children, synchronously this caused several issues when a ref would go down a level, i.e. the following example

const App = () => {
  return phase === 1 ? <div ref={x}><p>Foo</p></div> : <div><div ref={x}><p>Foo</p></div>
}

In this example when we go from phase 1 to phase 2 we would mount a new ref but only after we bubble back up diffing clean up the outer ref making the ref reset to null.

Fixes

• fix: incorrect actDepth calculation in test-utils (fix: incorrect actDepth calculation in test-utils #4051, thanks @ottomao)
• Server compat should have a default export (Server compat should have a default export #4047, thanks @MikaFima)
• Fix forceUpdate edge cases (Fix forceUpdate edge cases #4048, thanks @dmitrage)
• Include HTML above render root for DOM validation (Include HTML above render root for DOM validation #4043, thanks @marvinhagemeister)

Types

• Types: add missing aria attributes (Types: add missing aria attributes #4032, thanks @shoonia)
• improve VNode typings when generic is passed in (improve VNode typings when generic is passed in #4050, thanks @JoviDeCroock)

[coveralls]

coverage: 99.561%. remained the same when pulling f8db85e on 10.16.0 into 0cdc9df on master.

[github-actions]

Size Change: +1 B

Total Size: 57.1 kB

Filename	Size	Change
devtools/dist/devtools.module.js	241 B	+1 B

ℹ️ View Unchanged

Filename	Size	Change
compat/dist/compat.js	3.92 kB	0 B
compat/dist/compat.module.js	3.84 kB	0 B
compat/dist/compat.umd.js	3.98 kB	0 B
debug/dist/debug.js	3.64 kB	0 B
debug/dist/debug.module.js	3.62 kB	0 B
debug/dist/debug.umd.js	3.71 kB	0 B
devtools/dist/devtools.js	232 B	0 B
devtools/dist/devtools.umd.js	315 B	0 B
dist/preact.js	4.35 kB	0 B
dist/preact.min.js	4.38 kB	0 B
dist/preact.min.module.js	4.38 kB	0 B
dist/preact.min.umd.js	4.4 kB	0 B
dist/preact.module.js	4.37 kB	0 B
dist/preact.umd.js	4.41 kB	0 B
hooks/dist/hooks.js	1.53 kB	0 B
hooks/dist/hooks.module.js	1.56 kB	0 B
hooks/dist/hooks.umd.js	1.62 kB	0 B
jsx-runtime/dist/jsxRuntime.js	360 B	0 B
jsx-runtime/dist/jsxRuntime.module.js	326 B	0 B
jsx-runtime/dist/jsxRuntime.umd.js	441 B	0 B
test-utils/dist/testUtils.js	453 B	0 B
test-utils/dist/testUtils.module.js	454 B	0 B
test-utils/dist/testUtils.umd.js	536 B	0 B

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