feat: use async render in RNTL v14

[mdjastrzebski]

Summary

Use async render if available (RNTL v14).

Test plan

---

Note

Adopts RNTL renderAsync/cleanupAsync when available and updates measuring to await render/cleanup; comments out async effect tests.

• Measure core:
  • Update packages/measure/src/measure-renders.tsx to await render(ui) and await cleanup().
  • Extend config with RenderAsync/CleanupAsync types in packages/measure/src/config.ts.
  • Resolve RNTL APIs to renderAsync/cleanupAsync if present, else fallback, in packages/measure/src/testing-library.ts.
• Tests:
  • Comment out async macro/micro-task effect tests in packages/measure/src/__tests__/measure-renders.test.tsx.
• Release:
  • Add changeset for a minor version of @callstack/reassure-measure.

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[github-actions]

Performance Comparison Report

• Current: HEAD (5a67510) - 2026-06-09 15:48:52Z
• Baseline: main (7999170) - 2026-06-09 15:48:07Z

Significant Changes To Duration

Show entries

Name	Type	Duration	Count
<AsyncComponent />: 20 runs	render	39.6 ms → 79.9 ms (+40.3 ms, +102.0%) 🔴🔴	4 → 4
ManyRenderIssues	render	2.1 ms → 2.3 ms (+0.2 ms, +9.4%) 🔴	5 → 5
InitialRenders 3	render	1.7 ms → 1.9 ms (+0.2 ms, +11.1%) 🔴	4 → 4
RedundantUpdates	render	1.0 ms → 1.2 ms (+0.1 ms, +13.4%) 🔴	2 → 2
`fib` function fib(30)	function	49.7 ms → 35.7 ms (-14.0 ms, -28.1%) 🟢	1 → 1
`fib` function fib(30) async	async function	49.9 ms → 35.8 ms (-14.1 ms, -28.2%) 🟢	1 → 1
`fib` function fib(31) async	async function	80.2 ms → 58.0 ms (-22.2 ms, -27.7%) 🟢	1 → 1
`fib` function fib(31)	function	80.1 ms → 57.9 ms (-22.2 ms, -27.8%) 🟢	1 → 1
`fib` function fib(32) async	async function	129.8 ms → 93.9 ms (-35.9 ms, -27.7%) 🟢	1 → 1
`fib` function fib(32)	function	130.3 ms → 93.5 ms (-36.8 ms, -28.2%) 🟢	1 → 1

Show details

Name	Type	Duration	Count
<AsyncComponent />: 20 runs	render	Baseline Mean: 39.6 ms Stdev: 0.5 ms (1.3%) Runs: 39.2 39.3 39.3 39.5 41.4 39.2 39.1 39.9 39.6 39.4 39.6 39.6 39.2 39.4 39.6 39.5 39.3 39.8 Warmup runs: 94.8 Removed outliers: 93.0 73.8 Current Mean: 79.9 ms Stdev: 24.4 ms (30.5%) Runs: 51.8 52.5 104.4 104.4 83.6 52.3 51.9 110.2 104.2 83.5 52.2 52.0 104.9 104.3 88.4 53.0 52.6 104.3 104.0 83.3 Warmup runs: 82.9 Removed outliers: (none)	Baseline Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 1 Current Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 1
ManyRenderIssues	render	Baseline Mean: 2.1 ms Stdev: 0.0 ms (2.3%) Runs: 2.0 2.0 2.1 2.2 2.1 2.1 2.1 2.1 2.0 2.1 Warmup runs: 2.1 Removed outliers: (none) Current Mean: 2.3 ms Stdev: 0.0 ms (2.1%) Runs: 2.2 2.2 2.2 2.3 2.2 2.3 2.3 2.3 2.3 2.3 Warmup runs: 2.2 Removed outliers: (none)	Baseline Mean: 5 Stdev: 0 (0.0%) Runs: 5 5 5 5 5 5 5 5 5 5 Render issues: - Initial updates: 2 - Redundant updates: 2 (3, 4) Current Mean: 5 Stdev: 0 (0.0%) Runs: 5 5 5 5 5 5 5 5 5 5 Render issues: - Initial updates: 2 - Redundant updates: 2 (3, 4)
InitialRenders 3	render	Baseline Mean: 1.7 ms Stdev: 0.0 ms (1.8%) Runs: 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 Warmup runs: 1.7 Removed outliers: (none) Current Mean: 1.9 ms Stdev: 0.0 ms (1.4%) Runs: 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.8 Warmup runs: 1.9 Removed outliers: (none)	Baseline Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 3 Current Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 3
RedundantUpdates	render	Baseline Mean: 1.0 ms Stdev: 0.0 ms (3.0%) Runs: 1.0 1.1 1.1 1.0 1.0 1.0 1.0 1.1 1.0 1.0 Warmup runs: 1.1 Removed outliers: (none) Current Mean: 1.2 ms Stdev: 0.0 ms (2.0%) Runs: 1.2 1.1 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 Warmup runs: 1.1 Removed outliers: (none)	Baseline Mean: 2 Stdev: 0 (0.0%) Runs: 2 2 2 2 2 2 2 2 2 2 Render issues: - Redundant updates: 1 (1) Current Mean: 2 Stdev: 0 (0.0%) Runs: 2 2 2 2 2 2 2 2 2 2 Render issues: - Redundant updates: 1 (1)
`fib` function fib(30)	function	Baseline Mean: 49.7 ms Stdev: 0.4 ms (0.8%) Runs: 48.8 49.6 49.7 49.5 49.6 49.5 50.1 50.0 50.0 50.0 Warmup runs: 49.2 Removed outliers: (none) Current Mean: 35.7 ms Stdev: 0.0 ms (0.0%) Runs: 35.7 35.7 35.7 35.7 35.7 35.7 35.7 35.7 Warmup runs: 36.8 Removed outliers: 35.8 35.8	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1
`fib` function fib(30) async	async function	Baseline Mean: 49.9 ms Stdev: 0.2 ms (0.5%) Runs: 50.0 49.6 49.7 49.7 49.6 50.0 50.1 50.2 50.1 50.1 Warmup runs: 61.5 Removed outliers: (none) Current Mean: 35.8 ms Stdev: 0.1 ms (0.2%) Runs: 36.1 35.8 35.8 35.8 35.8 35.8 35.8 35.8 35.8 35.9 Warmup runs: 36.0 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1
`fib` function fib(31) async	async function	Baseline Mean: 80.2 ms Stdev: 0.5 ms (0.6%) Runs: 80.1 79.1 80.2 80.3 80.4 80.7 80.6 80.4 79.7 80.2 Warmup runs: 79.6 Removed outliers: (none) Current Mean: 58.0 ms Stdev: 0.1 ms (0.2%) Runs: 57.9 57.9 57.9 57.9 58.2 58.2 57.9 57.9 57.9 57.9 Warmup runs: 58.5 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1
`fib` function fib(31)	function	Baseline Mean: 80.1 ms Stdev: 0.3 ms (0.4%) Runs: 80.2 79.7 80.2 79.9 80.1 80.4 79.5 80.2 80.2 80.5 Warmup runs: 79.0 Removed outliers: (none) Current Mean: 57.9 ms Stdev: 0.1 ms (0.2%) Runs: 57.8 58.0 57.7 57.8 57.8 57.8 57.9 58.1 57.8 57.9 Warmup runs: 57.8 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1
`fib` function fib(32) async	async function	Baseline Mean: 129.8 ms Stdev: 0.1 ms (0.1%) Runs: 129.7 129.9 129.7 129.8 129.7 129.7 129.8 129.8 Warmup runs: 128.2 Removed outliers: 128.2 128.2 Current Mean: 93.9 ms Stdev: 0.3 ms (0.3%) Runs: 93.9 93.6 94.1 93.6 93.7 94.5 93.8 93.7 94.0 93.8 Warmup runs: 93.8 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1
`fib` function fib(32)	function	Baseline Mean: 130.3 ms Stdev: 1.1 ms (0.9%) Runs: 128.3 128.3 129.9 130.1 130.6 131.2 131.0 131.3 131.2 131.0 Warmup runs: 130.0 Removed outliers: (none) Current Mean: 93.5 ms Stdev: 0.1 ms (0.1%) Runs: 93.6 93.6 93.6 93.6 93.5 93.5 93.6 93.5 93.5 93.5 Warmup runs: 93.5 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1

Meaningless Changes To Duration

Show entries

Name	Type	Duration	Count
<AsyncComponent />: 10 runs	render	70.3 ms → 84.7 ms (+14.4 ms, +20.5%) 🔴	4 → 4
Async Component	render	111.4 ms → 136.5 ms (+25.1 ms, +22.6%) 🔴	7 → 7
InitialRenders 1	render	1.2 ms → 1.2 ms (+0.0 ms, +1.1%)	2 → 2

Show details

Name	Type	Duration	Count
<AsyncComponent />: 10 runs	render	Baseline Mean: 70.3 ms Stdev: 26.3 ms (37.4%) Runs: 93.4 74.3 39.6 39.1 92.9 92.7 74.4 39.8 49.3 107.0 Warmup runs: 104.8 Removed outliers: (none) Current Mean: 84.7 ms Stdev: 23.4 ms (27.6%) Runs: 95.1 97.0 52.2 103.8 103.7 83.1 52.0 51.9 103.9 104.1 Warmup runs: 1994.3 Removed outliers: (none)	Baseline Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 1 Current Mean: 4 Stdev: 0 (0.0%) Runs: 4 4 4 4 4 4 4 4 4 4 Render issues: - Initial updates: 1
Async Component	render	Baseline Mean: 111.4 ms Stdev: 34.9 ms (31.3%) Runs: 111.5 79.0 158.0 99.0 91.7 159.2 84.2 104.5 158.6 68.2 Warmup runs: 182.4 Removed outliers: (none) Current Mean: 136.5 ms Stdev: 36.0 ms (26.3%) Runs: 130.9 133.0 185.0 103.4 131.1 184.8 89.4 145.9 172.2 89.6 Warmup runs: 215.3 Removed outliers: (none)	Baseline Mean: 7 Stdev: 0 (0.0%) Runs: 7 7 7 7 7 7 7 7 7 7 Render issues: - Initial updates: 1 Current Mean: 7 Stdev: 0 (0.0%) Runs: 7 7 7 7 7 7 7 7 7 7 Render issues: - Initial updates: 1
InitialRenders 1	render	Baseline Mean: 1.2 ms Stdev: 0.3 ms (26.2%) Runs: 2.0 1.3 1.1 1.4 1.2 1.0 1.0 1.0 1.0 1.0 Warmup runs: 1980.7 Removed outliers: (none) Current Mean: 1.2 ms Stdev: 0.1 ms (6.9%) Runs: 1.2 1.2 1.2 1.4 1.2 1.2 1.2 1.2 1.2 1.1 Warmup runs: 14.8 Removed outliers: (none)	Baseline Mean: 2 Stdev: 0 (0.0%) Runs: 2 2 2 2 2 2 2 2 2 2 Render issues: - Initial updates: 1 Current Mean: 2 Stdev: 0 (0.0%) Runs: 2 2 2 2 2 2 2 2 2 2 Render issues: - Initial updates: 1

Render Count Changes

There are no entries

Render Issues

Name	Initial Updates	Redundant Updates
<AsyncComponent />: 10 runs	1 🔴	-
<AsyncComponent />: 20 runs	1 🔴	-
InitialRenders 1	1 🔴	-
InitialRenders 3	3 🔴	-
RedundantUpdates	-	1 (1) 🔴
ManyRenderIssues	2 🔴	2 (3, 4) 🔴
Async Component	1 🔴	-

Added Entries

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Removed Entries

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