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Compat size optimizations#5020

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JoviDeCroock merged 1 commit intov10.xfrom
compat-size-optimizations
Feb 12, 2026
Merged

Compat size optimizations#5020
JoviDeCroock merged 1 commit intov10.xfrom
compat-size-optimizations

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@JoviDeCroock JoviDeCroock commented Feb 12, 2026

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📊 Tachometer Benchmark Results

Summary

duration

  • create10k: unsure 🔍 -1% - +0% (-5.15ms - +3.61ms)
    preact-local vs preact-main
  • filter-list: unsure 🔍 -0% - +0% (-0.04ms - +0.04ms)
    preact-local vs preact-main
  • hydrate1k: faster ✔ 0% - 3% (0.04ms - 1.57ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -1% - +2% (-0.16ms - +0.26ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -0% - +3% (-0.04ms - +1.59ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 -4% - +9% (-0.07ms - +0.18ms)
    preact-local vs preact-main
  • todo: unsure 🔍 -1% - +0% (-0.33ms - +0.14ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -3% - +5% (-1.00ms - +1.35ms)
    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 🔍 -5% - +9% (-0.35ms - +0.58ms)
    preact-local vs preact-main
  • many-updates: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • replace1k: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • text-update: unsure 🔍 -3% - +3% (-0.03ms - +0.03ms)
    preact-local vs preact-main
  • todo: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
    preact-local vs preact-main
  • update10th1k: unsure 🔍 -0% - +0% (-0.00ms - +0.01ms)
    preact-local vs preact-main

Results

create10k

duration

VersionAvg timevs preact-localvs preact-main
preact-local888.92ms - 895.06ms-unsure 🔍
-1% - +0%
-5.15ms - +3.61ms
preact-main889.63ms - 895.89msunsure 🔍
-0% - +1%
-3.61ms - +5.15ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local19.20ms - 19.20ms-unsure 🔍
+0% - +0%
+0.00ms - +0.00ms
preact-main19.20ms - 19.20msunsure 🔍
-0% - -0%
-0.00ms - -0.00ms		-
filter-list

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.52ms - 16.58ms-unsure 🔍
-0% - +0%
-0.04ms - +0.04ms
preact-main16.53ms - 16.57msunsure 🔍
-0% - +0%
-0.04ms - +0.04ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local1.56ms - 1.56ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms
preact-main1.56ms - 1.56msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-
hydrate1k

duration

VersionAvg timevs preact-localvs preact-main
preact-local59.72ms - 60.81ms-faster ✔
0% - 3%
0.04ms - 1.57ms
preact-main60.53ms - 61.61msslower ❌
0% - 3%
0.04ms - 1.57ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local6.46ms - 7.15ms-unsure 🔍
-5% - +9%
-0.35ms - +0.58ms
preact-main6.37ms - 7.00msunsure 🔍
-9% - +5%
-0.58ms - +0.35ms		-
many-updates

duration

VersionAvg timevs preact-localvs preact-main
preact-local16.18ms - 16.50ms-unsure 🔍
-1% - +2%
-0.16ms - +0.26ms
preact-main16.15ms - 16.43msunsure 🔍
-2% - +1%
-0.26ms - +0.16ms		-

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 #5356

  • Commit: 9f2bfc7

duration

VersionAvg timevs preact-localvs preact-main
preact-local57.87ms - 59.13ms-unsure 🔍
-0% - +3%
-0.04ms - +1.59ms
preact-main57.21ms - 58.24msunsure 🔍
-3% - +0%
-1.59ms - +0.04ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local3.01ms - 3.01ms-unsure 🔍
-0% - +0%
-0.00ms - +0.00ms
preact-main3.01ms - 3.01msunsure 🔍
-0% - +0%
-0.00ms - +0.00ms		-

run-warmup-0

VersionAvg timevs preact-localvs preact-main
preact-local26.04ms - 26.84ms-unsure 🔍
-1% - +3%
-0.28ms - +0.83ms
preact-main25.78ms - 26.55msunsure 🔍
-3% - +1%
-0.83ms - +0.28ms		-

run-warmup-1

VersionAvg timevs preact-localvs preact-main
preact-local31.65ms - 32.95ms-unsure 🔍
-4% - +2%
-1.24ms - +0.65ms
preact-main31.91ms - 33.28msunsure 🔍
-2% - +4%
-0.65ms - +1.24ms		-

run-warmup-2

VersionAvg timevs preact-localvs preact-main
preact-local32.36ms - 33.44ms-unsure 🔍
-1% - +3%
-0.48ms - +1.04ms
preact-main32.09ms - 33.15msunsure 🔍
-3% - +1%
-1.04ms - +0.48ms		-

run-warmup-3

VersionAvg timevs preact-localvs preact-main
preact-local25.63ms - 25.96ms-faster ✔
0% - 2%
0.04ms - 0.57ms
preact-main25.89ms - 26.30msslower ❌
0% - 2%
0.04ms - 0.57ms		-

run-warmup-4

VersionAvg timevs preact-localvs preact-main
preact-local24.05ms - 25.37ms-unsure 🔍
-5% - +3%
-1.17ms - +0.74ms
preact-main24.23ms - 25.62msunsure 🔍
-3% - +5%
-0.74ms - +1.17ms		-

run-final

VersionAvg timevs preact-localvs preact-main
preact-local21.87ms - 22.41ms-slower ❌
1% - 4%
0.16ms - 0.84ms
preact-main21.43ms - 21.84msfaster ✔
1% - 4%
0.16ms - 0.84ms		-
text-update
  • Browser: chrome-headless
  • Sample size: 230
  • Built by: CI #5356

  • Commit: 9f2bfc7

duration

VersionAvg timevs preact-localvs preact-main
preact-local1.91ms - 2.11ms-unsure 🔍
-4% - +9%
-0.07ms - +0.18ms
preact-main1.89ms - 2.03msunsure 🔍
-9% - +3%
-0.18ms - +0.07ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local0.99ms - 1.04ms-unsure 🔍
-3% - +3%
-0.03ms - +0.03ms
preact-main0.99ms - 1.04msunsure 🔍
-3% - +3%
-0.03ms - +0.03ms		-
todo

duration

VersionAvg timevs preact-localvs preact-main
preact-local32.59ms - 32.83ms-unsure 🔍
-1% - +0%
-0.33ms - +0.14ms
preact-main32.60ms - 33.00msunsure 🔍
-0% - +1%
-0.14ms - +0.33ms		-

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-local29.02ms - 30.50ms-unsure 🔍
-3% - +5%
-1.00ms - +1.35ms
preact-main28.67ms - 30.49msunsure 🔍
-5% - +3%
-1.35ms - +1.00ms		-

usedJSHeapSize

VersionAvg timevs preact-localvs preact-main
preact-local2.97ms - 2.98ms-unsure 🔍
-0% - +0%
-0.00ms - +0.01ms
preact-main2.97ms - 2.98msunsure 🔍
-0% - +0%
-0.01ms - +0.00ms		-

tachometer-reporter-action v2 for CI

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github-actions bot commented Feb 12, 2026

Size Change: -138 B (-0.17%)

Total Size: 79.2 kB

Filename Size Change
compat/dist/compat.js 4.18 kB -34 B (-0.81%)
compat/dist/compat.mjs 4.11 kB -36 B (-0.87%)
compat/dist/compat.module.js 4.11 kB -36 B (-0.87%)
compat/dist/compat.umd.js 4.25 kB -32 B (-0.75%)
ℹ️ View Unchanged
Filename Size
debug/dist/debug.js 3.85 kB
debug/dist/debug.mjs 3.85 kB
debug/dist/debug.module.js 3.85 kB
debug/dist/debug.umd.js 3.93 kB
devtools/dist/devtools.js 260 B
devtools/dist/devtools.mjs 274 B
devtools/dist/devtools.module.js 274 B
devtools/dist/devtools.umd.js 346 B
dist/preact.js 4.78 kB
dist/preact.min.js 4.8 kB
dist/preact.min.module.js 4.8 kB
dist/preact.min.umd.js 4.82 kB
dist/preact.mjs 4.79 kB
dist/preact.module.js 4.79 kB
dist/preact.umd.js 4.83 kB
hooks/dist/hooks.js 1.54 kB
hooks/dist/hooks.mjs 1.57 kB
hooks/dist/hooks.module.js 1.57 kB
hooks/dist/hooks.umd.js 1.61 kB
jsx-runtime/dist/jsxRuntime.js 1.01 kB
jsx-runtime/dist/jsxRuntime.mjs 985 B
jsx-runtime/dist/jsxRuntime.module.js 985 B
jsx-runtime/dist/jsxRuntime.umd.js 1.08 kB
test-utils/dist/testUtils.js 473 B
test-utils/dist/testUtils.mjs 477 B
test-utils/dist/testUtils.module.js 477 B
test-utils/dist/testUtils.umd.js 555 B

compressed-size-action

@JoviDeCroock JoviDeCroock changed the title Transform forEach to some and consolidate condition Compat size optimizations Feb 12, 2026
@JoviDeCroock JoviDeCroock merged commit 084b75f into v10.x Feb 12, 2026
14 checks passed
@JoviDeCroock JoviDeCroock deleted the compat-size-optimizations branch February 12, 2026 18:49
JoviDeCroock added a commit that referenced this pull request Feb 14, 2026
@JoviDeCroock
Transform forEach to some and consolidate condition (#5020)
83f690f
JoviDeCroock added a commit that referenced this pull request Feb 15, 2026
@JoviDeCroock
Backport optimizations (#5023)
cd939cc 
* Transform forEach to some and consolidate condition (#5020)

* Land size optimization separately (#5018)

* Make forEach --> some

* Backport core optimizations

* Revert "Land size optimization separately (#5018)"

This reverts commit 6bbfaee.

* Flag --> bits
This was referenced Feb 18, 2026
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@rschristian rschristian rschristian approved these changes

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@JoviDeCroock @rschristian