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forwardport from v10#5053

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JoviDeCroock merged 7 commits intomainfrom
forward-port-v10.29.0
Mar 15, 2026
Merged

forwardport from v10#5053
JoviDeCroock merged 7 commits intomainfrom
forward-port-v10.29.0

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@JoviDeCroock JoviDeCroock commented Mar 10, 2026

forwardport from v10

@JoviDeCroock
Fix crash where a synchronous effect render unmounts the tree (#5026)
98c668c 
(cherry picked from commit 8cbed5f)
@JoviDeCroock
Golf down compat (#5025)
85eb98f 
* Make useFlushSync do sync flushes

* Golf bytes to offset change

* Some more golfing

* Revert "Make useFlushSync do sync flushes"

This reverts commit 001bbce.

(cherry picked from commit af4c459)
@JoviDeCroock
Implement flushSync (#5036)
c6f7ebb 
(cherry picked from commit 978c0b9)
@JoviDeCroock
undefined prototype (#5041)
b375720 
* undefined prototype

* Add test

(cherry picked from commit b341bfe)
@JoviDeCroock
Ensure we reset renderCount (#5017)
df1c0d6 
* Golf some bytes and ensure we reset renderCount

* Apply suggestion from @JoviDeCroock

* Add test

(cherry picked from commit 55254ef)
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github-actions bot commented Mar 10, 2026 •
edited
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📊 Tachometer Benchmark Results

Summary

duration

  • create10k: unsure 🔍 -0% - +1% (-1.74ms - +5.17ms)
    preact-local vs preact-main
  • filter-list: unsure 🔍 -0% - +0% (-0.03ms - +0.05ms)
    preact-local vs preact-main
  • hydrate1k: unsure 🔍 -2% - +1% (-1.14ms - +0.83ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -5% - +1% (-0.81ms - +0.25ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -1% - +1% (-0.65ms - +0.54ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 -7% - +1% (-0.14ms - +0.02ms)
    preact-local vs preact-main
  • todo: slower ❌ 0% - 3% (0.02ms - 0.89ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -2% - +5% (-0.66ms - +1.59ms)
    preact-local vs preact-main

usedJSHeapSize

  • create10k: unsure 🔍 +0% - +0% (+0.00ms - +0.00ms)
    preact-local vs preact-main
  • filter-list: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • hydrate1k: unsure 🔍 -2% - +5% (-0.16ms - +0.31ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -0% - +0% (-0.01ms - +0.00ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 -1% - +3% (-0.02ms - +0.03ms)
    preact-local vs preact-main
  • todo: unsure 🔍 +0% - +0% (+0.00ms - +0.00ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -0% - +0% (-0.01ms - +0.01ms)
    preact-local vs preact-main

Results

create10k

duration

VersionAvg timevs preact-localvs preact-main
preact-local837.06ms - 842.22ms-unsure 🔍
-0% - +1%
-1.74ms - +5.17ms
preact-main835.64ms - 840.23msunsure 🔍
-1% - +0%
-5.17ms - +1.74ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local19.04ms - 19.04ms-unsure 🔍
+0% - +0%
+0.00ms - +0.00ms
preact-main19.04ms - 19.04msunsure 🔍
-0% - -0%
-0.00ms - -0.00ms		-
filter-list

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.52ms - 16.58ms-unsure 🔍
-0% - +0%
-0.03ms - +0.05ms
preact-main16.51ms - 16.56msunsure 🔍
-0% - +0%
-0.05ms - +0.03ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.54ms - 1.55ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms
preact-main1.54ms - 1.55msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-
hydrate1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local58.11ms - 59.45ms-unsure 🔍
-2% - +1%
-1.14ms - +0.83ms
preact-main58.20ms - 59.66msunsure 🔍
-1% - +2%
-0.83ms - +1.14ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local6.60ms - 7.01ms-unsure 🔍
-2% - +5%
-0.16ms - +0.31ms
preact-main6.63ms - 6.84msunsure 🔍
-4% - +2%
-0.31ms - +0.16ms		-
many-updates

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.22ms - 16.45ms-unsure 🔍
-5% - +1%
-0.81ms - +0.25ms
preact-main16.10ms - 17.14msunsure 🔍
-2% - +5%
-0.25ms - +0.81ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local3.72ms - 3.73ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms
preact-main3.72ms - 3.73msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-
replace1k
  • Browser: chrome-headless
  • Sample size: 100
  • Built by: CI #5433

  • Commit: 29a0480

duration

VersionAvg timevs preact-localvs preact-main
preact-local60.91ms - 61.66ms-unsure 🔍
-1% - +1%
-0.65ms - +0.54ms
preact-main60.87ms - 61.80msunsure 🔍
-1% - +1%
-0.54ms - +0.65ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local2.99ms - 2.99ms-unsure 🔍
-0% - +0%
-0.01ms - +0.00ms
preact-main2.99ms - 3.00msunsure 🔍
-0% - +0%
-0.00ms - +0.01ms		-

run-warmup-0

VersionAvg timevs preact-localvs preact-main
preact-local26.23ms - 26.95ms-unsure 🔍
-3% - +1%
-0.79ms - +0.24ms
preact-main26.50ms - 27.23msunsure 🔍
-1% - +3%
-0.24ms - +0.79ms		-

run-warmup-1

VersionAvg timevs preact-localvs preact-main
preact-local33.30ms - 34.22ms-unsure 🔍
-3% - +1%
-0.86ms - +0.49ms
preact-main33.45ms - 34.44msunsure 🔍
-1% - +3%
-0.49ms - +0.86ms		-

run-warmup-2

VersionAvg timevs preact-localvs preact-main
preact-local34.23ms - 35.06ms-unsure 🔍
-1% - +2%
-0.49ms - +0.67ms
preact-main34.15ms - 34.96msunsure 🔍
-2% - +1%
-0.67ms - +0.49ms		-

run-warmup-3

VersionAvg timevs preact-localvs preact-main
preact-local27.39ms - 27.79ms-unsure 🔍
-1% - +1%
-0.27ms - +0.26ms
preact-main27.42ms - 27.77msunsure 🔍
-1% - +1%
-0.26ms - +0.27ms		-

run-warmup-4

VersionAvg timevs preact-localvs preact-main
preact-local25.73ms - 27.05ms-unsure 🔍
-4% - +3%
-1.10ms - +0.73ms
preact-main25.94ms - 27.22msunsure 🔍
-3% - +4%
-0.73ms - +1.10ms		-

run-final

VersionAvg timevs preact-localvs preact-main
preact-local22.41ms - 22.72ms-unsure 🔍
-1% - +1%
-0.21ms - +0.23ms
preact-main22.40ms - 22.72msunsure 🔍
-1% - +1%
-0.23ms - +0.21ms		-
text-update
  • Browser: chrome-headless
  • Sample size: 230
  • Built by: CI #5433

  • Commit: 29a0480

duration

VersionAvg timevs preact-localvs preact-main
preact-local1.98ms - 2.09ms-unsure 🔍
-7% - +1%
-0.14ms - +0.02ms
preact-main2.04ms - 2.15msunsure 🔍
-1% - +7%
-0.02ms - +0.14ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.17ms - 1.21ms-unsure 🔍
-1% - +3%
-0.02ms - +0.03ms
preact-main1.17ms - 1.20msunsure 🔍
-3% - +1%
-0.03ms - +0.02ms		-
todo

duration

VersionAvg timevs preact-localvs preact-main
preact-local31.80ms - 32.64ms-slower ❌
0% - 3%
0.02ms - 0.89ms
preact-main31.64ms - 31.89msfaster ✔
0% - 3%
0.02ms - 0.89ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.25ms - 1.25ms-unsure 🔍
+0% - +0%
+0.00ms - +0.00ms
preact-main1.25ms - 1.25msunsure 🔍
-0% - -0%
-0.00ms - -0.00ms		-
update10th1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local32.32ms - 34.02ms-unsure 🔍
-2% - +5%
-0.66ms - +1.59ms
preact-main31.97ms - 33.43msunsure 🔍
-5% - +2%
-1.59ms - +0.66ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local2.95ms - 2.96ms-unsure 🔍
-0% - +0%
-0.01ms - +0.01ms
preact-main2.94ms - 2.95msunsure 🔍
-0% - +0%
-0.01ms - +0.01ms		-

tachometer-reporter-action v2 for CI

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github-actions bot commented Mar 10, 2026 •
edited
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Size Change: +92 B (+0.19%)

Total Size: 47.5 kB

Filename Size Change
compat/dist/compat.js 3.93 kB +13 B (+0.33%)
compat/dist/compat.mjs 3.87 kB +19 B (+0.49%)
compat/dist/compat.umd.js 4 kB +24 B (+0.6%)
dist/preact.js 4.68 kB +15 B (+0.32%)
dist/preact.mjs 4.69 kB +18 B (+0.39%)
dist/preact.umd.js 4.74 kB +14 B (+0.3%)
hooks/dist/hooks.mjs 1.55 kB -2 B (-0.13%)
hooks/dist/hooks.umd.js 1.58 kB -9 B (-0.56%)
ℹ️ View Unchanged
Filename Size
debug/dist/debug.js 3.91 kB
debug/dist/debug.mjs 3.91 kB
debug/dist/debug.umd.js 3.99 kB
devtools/dist/devtools.js 263 B
devtools/dist/devtools.mjs 273 B
devtools/dist/devtools.umd.js 348 B
hooks/dist/hooks.js 1.52 kB
jsx-runtime/dist/jsxRuntime.js 892 B
jsx-runtime/dist/jsxRuntime.mjs 861 B
jsx-runtime/dist/jsxRuntime.umd.js 966 B
test-utils/dist/testUtils.js 473 B
test-utils/dist/testUtils.mjs 473 B
test-utils/dist/testUtils.umd.js 555 B

compressed-size-action

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coveralls commented Mar 10, 2026 •
edited
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Coverage Status

coverage: 98.666% (-0.9%) from 99.537%
when pulling d98ad9b on forward-port-v10.29.0
into 2459326 on main.

@JoviDeCroock JoviDeCroock merged commit 21dd6d0 into main Mar 15, 2026
12 of 13 checks passed
@JoviDeCroock JoviDeCroock deleted the forward-port-v10.29.0 branch March 15, 2026 19:11
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