chore: wrap tab contents in error boundary #39685

n3ps · 2026-01-30T22:18:54Z

Description

Wrap each home screen tab in their own error boundaries

Changelog

CHANGELOG entry: null

Related issues

Fixes:

Manual testing steps

Screenshots/Recordings

Before

Before	After

Pre-merge author checklist

I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
I've completed the PR template to the best of my ability
I’ve included tests if applicable
I’ve documented my code using JSDoc format if applicable
I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

Note

Low Risk
Low risk UI resilience change: it mainly adds error isolation and Sentry reporting around tab content. Main concern is masking underlying UI errors behind a generic fallback message in individual tabs.

Overview
Adds a new ErrorBoundary component that catches render errors, reports them via captureException, and displays a localized somethingWentWrong fallback.

Wraps each Account Overview tab’s content (tokens, perps, defi, nfts, activity) in its own ErrorBoundary so a crash in one tab doesn’t take down the entire home screen.

^{Written by Cursor Bugbot for commit 7aaddba. This will update automatically on new commits. Configure here.}

github-actions · 2026-01-30T22:19:05Z

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

metamaskbotv2 · 2026-01-30T22:19:44Z

✨ Files requiring CODEOWNER review ✨

🔑 @MetaMask/accounts-engineers (1 files, +18 -12)

📁 ui/
- 📁 components/
  - 📁 multichain/
    - 📁 account-overview/
      - 📄 account-overview-tabs.tsx +18 -12

👨‍🔧 @MetaMask/core-extension-ux (1 files, +18 -12)

📁 ui/
- 📁 components/
  - 📁 multichain/
    - 📁 account-overview/
      - 📄 account-overview-tabs.tsx +18 -12

metamaskbotv2 · 2026-01-30T22:51:28Z

Builds ready [6cf1fd2]

builds: chrome, firefox
builds (beta): chrome, firefox
builds (flask): chrome, firefox
builds (test): chrome, firefox
builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
user-actions-benchmark: User Actions Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts
bundle viz:
- background: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
- common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
- ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
- content-script: 0
- offscreen: 0

UI Startup Metrics (1316 ± 110 ms)

Platform	BuildType	Page	Metric	Test Title (ms)	Persona (ms)	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Standard Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
			4	-	-	-	-	-	-	-	-
			5	-	-	-	-	-	-	-	-
			6	-	-	-	-	-	-	-	-
			7	-	-	-	-	-	-	-	-
			8	-	-	-	-	-	-	-	-
			9	-	-	-	-	-	-	-	-
			10	-	-	-	-	-	-	-	-
			11	-	-	-	-	-	-	-	-
			12	-	-	-	-	-	-	-	-
			13	-	-	-	-	-	-	-	-
			14	-	-	-	-	-	-	-	-
			15	-	-	-	-	-	-	-	-
			16	-	-	-	-	-	-	-	-
			17	-	-	-	-	-	-	-	-
			18	-	-	-	-	-	-	-	-
			uiStartup	-	-	1316	1064	1701	110	1372	1475
			load	-	-	1120	896	1421	98	1175	1267
			domContentLoaded	-	-	1114	892	1414	97	1170	1263
			domInteractive	-	-	26	16	104	19	22	76
			firstPaint	-	-	171	64	1426	190	199	318
			backgroundConnect	-	-	234	217	282	10	238	252
			firstReactRender	-	-	18	11	38	5	20	28
			initialActions	-	-	1	0	6	1	1	4
			loadScripts	-	-	894	686	1182	97	950	1045
			setupStore	-	-	13	6	26	5	16	24
			numNetworkReqs	-	-	22	15	94	17	15	72
			19	-	-	-	-	-	-	-	-
	Browserify	Power User Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
			4	-	-	-	-	-	-	-	-
			5	-	-	-	-	-	-	-	-
			6	-	-	-	-	-	-	-	-
			7	-	-	-	-	-	-	-	-
			8	-	-	-	-	-	-	-	-
			9	-	-	-	-	-	-	-	-
			10	-	-	-	-	-	-	-	-
			11	-	-	-	-	-	-	-	-
			12	-	-	-	-	-	-	-	-
			13	-	-	-	-	-	-	-	-
			14	-	-	-	-	-	-	-	-
			15	-	-	-	-	-	-	-	-
			16	-	-	-	-	-	-	-	-
			17	-	-	-	-	-	-	-	-
			18	-	-	-	-	-	-	-	-
			uiStartup	-	-	1895	1517	2794	180	1975	2202
			load	-	-	1065	951	1773	139	1068	1465
			domContentLoaded	-	-	1051	947	1756	136	1056	1456
			domInteractive	-	-	36	18	146	24	36	108
			firstPaint	-	-	183	68	1479	153	222	394
			backgroundConnect	-	-	322	283	434	29	336	380
			firstReactRender	-	-	24	14	59	8	26	45
			initialActions	-	-	1	0	8	1	1	2
			loadScripts	-	-	811	716	1437	122	815	1182
			setupStore	-	-	15	5	35	6	18	26
			numNetworkReqs	-	-	125	51	253	52	145	241
			19	-	-	-	-	-	-	-	-
	Webpack	Standard Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
2			-	-	-	-	-	-	-	-
3			-	-	-	-	-	-	-	-
4			-	-	-	-	-	-	-	-
5			-	-	-	-	-	-	-	-
6			-	-	-	-	-	-	-	-
7			-	-	-	-	-	-	-	-
8			-	-	-	-	-	-	-	-
9			-	-	-	-	-	-	-	-
10			-	-	-	-	-	-	-	-
11			-	-	-	-	-	-	-	-
12			-	-	-	-	-	-	-	-
13			-	-	-	-	-	-	-	-
14			-	-	-	-	-	-	-	-
15			-	-	-	-	-	-	-	-
16			-	-	-	-	-	-	-	-
17			-	-	-	-	-	-	-	-
18			-	-	-	-	-	-	-	-
uiStartup			-	-	844	666	1229	118	954	1039
load			-	-	702	595	1093	106	762	937
domContentLoaded			-	-	696	592	1087	105	754	929
domInteractive			-	-	25	16	92	18	22	78
firstPaint			-	-	105	61	672	75	114	213
backgroundConnect			-	-	43	17	137	28	45	112
firstReactRender			-	-	15	10	34	5	16	25
initialActions			-	-	1	0	2	1	1	1
loadScripts			-	-	694	589	1085	104	747	927
setupStore			-	-	11	6	26	4	11	20
numNetworkReqs			-	-	22	15	79	17	16	74
19			-	-	-	-	-	-	-	-
Webpack	Power User Home	0	-	-	-	-	-	-	-	-
		1	-	-	-	-	-	-	-	-
		2	-	-	-	-	-	-	-	-
		3	-	-	-	-	-	-	-	-
		4	-	-	-	-	-	-	-	-
		5	-	-	-	-	-	-	-	-
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		10	-	-	-	-	-	-	-	-
		11	-	-	-	-	-	-	-	-
		12	-	-	-	-	-	-	-	-
		13	-	-	-	-	-	-	-	-
		14	-	-	-	-	-	-	-	-
		15	-	-	-	-	-	-	-	-
		16	-	-	-	-	-	-	-	-
		17	-	-	-	-	-	-	-	-
		18	-	-	-	-	-	-	-	-
		uiStartup	-	-	1269	858	1916	252	1499	1752
		load	-	-	703	611	1115	115	700	1040
		domContentLoaded	-	-	693	607	1108	116	684	1035
		domInteractive	-	-	35	17	225	33	32	105
		firstPaint	-	-	146	65	519	81	183	272
		backgroundConnect	-	-	152	129	352	40	152	187
		firstReactRender	-	-	22	16	35	3	24	28
		initialActions	-	-	1	0	3	1	1	2
		loadScripts	-	-	690	605	1101	114	682	1026
		setupStore	-	-	12	5	57	5	13	16
		numNetworkReqs	-	-	125	46	272	59	160	255
		19	-	-	-	-	-	-	-	-
Firefox	Browserify	Standard Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
			4	-	-	-	-	-	-	-	-
			5	-	-	-	-	-	-	-	-
			6	-	-	-	-	-	-	-	-
			7	-	-	-	-	-	-	-	-
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			9	-	-	-	-	-	-	-	-
			10	-	-	-	-	-	-	-	-
			11	-	-	-	-	-	-	-	-
			12	-	-	-	-	-	-	-	-
			13	-	-	-	-	-	-	-	-
			14	-	-	-	-	-	-	-	-
			15	-	-	-	-	-	-	-	-
			16	-	-	-	-	-	-	-	-
			17	-	-	-	-	-	-	-	-
			18	-	-	-	-	-	-	-	-
			uiStartup	-	-	1417	1098	1894	161	1505	1733
			load	-	-	1150	947	1521	112	1208	1389
			domContentLoaded	-	-	1150	947	1520	112	1208	1389
			domInteractive	-	-	78	35	327	48	99	159
			firstPaint	-	-	-	-	-	-	-	-
			backgroundConnect	-	-	70	22	222	50	94	187
			firstReactRender	-	-	13	9	46	6	13	20
			initialActions	-	-	1	0	2	1	2	2
			loadScripts	-	-	1115	926	1503	105	1164	1345
			setupStore	-	-	11	5	54	9	11	34
			numNetworkReqs	-	-	24	12	85	19	18	82
			19	-	-	-	-	-	-	-	-
	Browserify	Power User Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
			4	-	-	-	-	-	-	-	-
			5	-	-	-	-	-	-	-	-
			6	-	-	-	-	-	-	-	-
			7	-	-	-	-	-	-	-	-
			8	-	-	-	-	-	-	-	-
			9	-	-	-	-	-	-	-	-
			10	-	-	-	-	-	-	-	-
			11	-	-	-	-	-	-	-	-
			12	-	-	-	-	-	-	-	-
			13	-	-	-	-	-	-	-	-
			14	-	-	-	-	-	-	-	-
			15	-	-	-	-	-	-	-	-
			16	-	-	-	-	-	-	-	-
			17	-	-	-	-	-	-	-	-
			18	-	-	-	-	-	-	-	-
			uiStartup	-	-	2615	1883	4511	491	2747	3899
			load	-	-	1272	1044	2308	243	1244	1860
			domContentLoaded	-	-	1271	1039	2308	243	1243	1859
			domInteractive	-	-	124	40	743	110	129	339
			firstPaint	-	-	-	-	-	-	-	-
			backgroundConnect	-	-	318	112	1501	283	310	969
			firstReactRender	-	-	21	15	59	5	23	27
			initialActions	-	-	2	0	46	4	2	3
			loadScripts	-	-	1206	1028	1928	196	1193	1806
			setupStore	-	-	180	8	793	228	229	700
			numNetworkReqs	-	-	71	37	234	49	81	211
			19	-	-	-	-	-	-	-	-
	Webpack	Standard Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
2			-	-	-	-	-	-	-	-
3			-	-	-	-	-	-	-	-
4			-	-	-	-	-	-	-	-
5			-	-	-	-	-	-	-	-
6			-	-	-	-	-	-	-	-
7			-	-	-	-	-	-	-	-
8			-	-	-	-	-	-	-	-
9			-	-	-	-	-	-	-	-
10			-	-	-	-	-	-	-	-
11			-	-	-	-	-	-	-	-
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13			-	-	-	-	-	-	-	-
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17			-	-	-	-	-	-	-	-
18			-	-	-	-	-	-	-	-
uiStartup			-	-	1660	1372	2302	175	1772	2002
load			-	-	1412	1182	1826	126	1489	1653
domContentLoaded			-	-	1412	1182	1826	127	1488	1652
domInteractive			-	-	99	31	366	52	133	194
firstPaint			-	-	-	-	-	-	-	-
backgroundConnect			-	-	73	25	193	46	109	175
firstReactRender			-	-	15	10	52	5	15	21
initialActions			-	-	1	0	3	1	1	2
loadScripts			-	-	1367	1163	1738	107	1406	1578
setupStore			-	-	15	5	118	20	11	67
numNetworkReqs			-	-	24	12	89	20	18	85
19			-	-	-	-	-	-	-	-
Webpack	Power User Home	0	-	-	-	-	-	-	-	-
		1	-	-	-	-	-	-	-	-
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		uiStartup	-	-	3008	2197	4385	536	3240	4230
		load	-	-	1660	1236	2759	398	1892	2584
		domContentLoaded	-	-	1659	1235	2759	398	1891	2584
		domInteractive	-	-	116	32	705	125	110	416
		firstPaint	-	-	-	-	-	-	-	-
		backgroundConnect	-	-	316	107	1359	238	342	932
		firstReactRender	-	-	23	15	57	6	25	31
		initialActions	-	-	2	1	3	1	2	3
		loadScripts	-	-	1594	1216	2739	356	1791	2452
		setupStore	-	-	172	7	872	229	261	674
		numNetworkReqs	-	-	70	36	238	44	94	172
		19	-	-	-	-	-	-	-	-

📊 Page Load Benchmark Results

Current Commit: 6cf1fd2 | Date: 1/30/2026

📄 Localhost MetaMask Test Dapp

Samples: 100

Summary

pageLoadTime-> current mean value: 1.03s (±45ms) 🟡 | historical mean value: 1.03s ⬆️ (historical data)
domContentLoaded-> current mean value: 721ms (±43ms) 🟢 | historical mean value: 717ms ⬆️ (historical data)
firstContentfulPaint-> current mean value: 77ms (±13ms) 🟢 | historical mean value: 77ms ⬆️ (historical data)

📈 Detailed Results

Metric	Mean	Std Dev	Min	Max	P95	P99
pageLoadTime	1.03s	45ms	1.01s	1.39s	1.07s	1.39s
domContentLoaded	721ms	43ms	694ms	1.07s	751ms	1.07s
firstPaint	77ms	13ms	60ms	192ms	84ms	192ms
firstContentfulPaint	77ms	13ms	60ms	192ms	84ms	192ms
largestContentfulPaint	0ms	0ms	0ms	0ms	0ms	0ms

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: 58 Bytes (0%)
ui: 1.56 KiB (0.02%)
common: 22 Bytes (0%)

gantunesr

Approved for Accounts CO

vinnyhoward

Nice addition. LGTM

cursor

Cursor Bugbot has reviewed your changes and found 1 potential issue.

ui/components/multichain/account-overview/account-overview-tabs.tsx

metamaskbotv2 · 2026-01-31T00:24:17Z

Builds ready [7aaddba]

builds: chrome, firefox
builds (beta): chrome, firefox
builds (flask): chrome, firefox
builds (test): chrome, firefox
builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
user-actions-benchmark: User Actions Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts
bundle viz:
- background: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
- common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
- ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
- content-script: 0
- offscreen: 0

UI Startup Metrics (1308 ± 103 ms)

Platform	BuildType	Page	Metric	Test Title (ms)	Persona (ms)	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Standard Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
			4	-	-	-	-	-	-	-	-
			5	-	-	-	-	-	-	-	-
			6	-	-	-	-	-	-	-	-
			7	-	-	-	-	-	-	-	-
			8	-	-	-	-	-	-	-	-
			9	-	-	-	-	-	-	-	-
			10	-	-	-	-	-	-	-	-
			11	-	-	-	-	-	-	-	-
			12	-	-	-	-	-	-	-	-
			13	-	-	-	-	-	-	-	-
			14	-	-	-	-	-	-	-	-
			15	-	-	-	-	-	-	-	-
			16	-	-	-	-	-	-	-	-
			17	-	-	-	-	-	-	-	-
			18	-	-	-	-	-	-	-	-
			uiStartup	-	-	1308	1078	1758	103	1360	1456
			load	-	-	1114	914	1477	102	1174	1280
			domContentLoaded	-	-	1108	912	1472	102	1168	1276
			domInteractive	-	-	26	16	87	16	24	73
			firstPaint	-	-	152	66	403	66	192	294
			backgroundConnect	-	-	231	215	263	8	235	246
			firstReactRender	-	-	17	10	40	5	19	24
			initialActions	-	-	1	0	6	1	1	4
			loadScripts	-	-	890	686	1244	103	957	1053
			setupStore	-	-	12	7	30	4	15	21
			numNetworkReqs	-	-	21	15	85	16	15	68
			19	-	-	-	-	-	-	-	-
	Browserify	Power User Home	0	-	-	-	-	-	-	-	-
			1	-	-	-	-	-	-	-	-
			2	-	-	-	-	-	-	-	-
			3	-	-	-	-	-	-	-	-
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			11	-	-	-	-	-	-	-	-
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uiStartup			-	-	1683	1402	2274	177	1805	2053
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📊 Page Load Benchmark Results

Current Commit: 7aaddba | Date: 1/31/2026

📄 Localhost MetaMask Test Dapp

Samples: 100

Summary

pageLoadTime-> current mean value: 1.03s (±55ms) 🟡 | historical mean value: 1.04s ⬇️ (historical data)
domContentLoaded-> current mean value: 722ms (±52ms) 🟢 | historical mean value: 721ms ⬆️ (historical data)
firstContentfulPaint-> current mean value: 75ms (±12ms) 🟢 | historical mean value: 76ms ⬇️ (historical data)

📈 Detailed Results

Metric	Mean	Std Dev	Min	Max	P95	P99
pageLoadTime	1.03s	55ms	1.00s	1.33s	1.21s	1.33s
domContentLoaded	722ms	52ms	692ms	1.02s	873ms	1.02s
firstPaint	75ms	12ms	56ms	180ms	84ms	180ms
firstContentfulPaint	75ms	12ms	56ms	180ms	84ms	180ms
largestContentfulPaint	0ms	0ms	0ms	0ms	0ms	0ms

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: 58 Bytes (0%)
ui: 1.57 KiB (0.02%)
common: 18 Bytes (0%)

feat: wrap tab contents in error boundary

6cf1fd2

n3ps requested review from a team as code owners January 30, 2026 22:18

n3ps added the team-core-extension-ux Core Extension UX team label Jan 30, 2026

n3ps temporarily deployed to pr-comment January 30, 2026 22:19 — with GitHub Actions Inactive

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gantunesr approved these changes Jan 30, 2026

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Merge branch 'main' into n3ps/error-boundary

7aaddba

n3ps temporarily deployed to pr-comment January 30, 2026 23:48 — with GitHub Actions Inactive

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ui/components/multichain/account-overview/account-overview-tabs.tsx Show resolved Hide resolved

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n3ps added this pull request to the merge queue Jan 31, 2026

Merged via the queue into main with commit 4d0c1a4 Jan 31, 2026
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chore: wrap tab contents in error boundary #39685

chore: wrap tab contents in error boundary #39685

n3ps commented Jan 30, 2026 •

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n3ps commented Jan 30, 2026 •

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