release: release/13.9.0-Changelog

[metamaskbot]

This PR updates the change log for 13.9.0. (Hotfix - no test plan generated.)

---

Note

Adds 13.9.0 release notes to CHANGELOG and updates the Unreleased/13.9.0 compare links.

• Changelog (CHANGELOG.md):
  • Add 13.9.0 section with entries under: Uncategorized, Added, and Fixed.
  • Update reference links: set [Unreleased] to compare from v13.9.0 and add [13.9.0] compare link.

^{Written by Cursor Bugbot for commit 35c87d6. This will update automatically on new commits. Configure here.}

[metamaskbot]

Builds ready [35c87d6]

• 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
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  • content-script: 0
  • offscreen: 0

UI Startup Metrics (1265 ± 97 ms)

Platform	BuildType	Page	Metric	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Standard Home	uiStartup	1265	1099	1592	97	1322	1439
			load	1088	941	1328	88	1153	1234
			domContentLoaded	1081	938	1311	87	1148	1227
			domInteractive	23	14	111	17	19	70
			firstPaint	616	82	1348	434	1084	1223
			backgroundConnect	236	221	258	7	240	249
			firstReactRender	24	18	41	4	26	34
			getState	22	7	73	11	26	38
			initialActions	0	0	1	0	0	1
			loadScripts	852	705	1090	86	918	997
			setupStore	10	6	28	3	11	16
			numNetworkReqs	13	6	75	19	6	72
	Browserify	Power User Home	uiStartup	1925	1757	2594	234	1894	2594
			load	1026	897	1376	183	1295	1376
			domContentLoaded	1018	889	1369	182	1287	1369
			domInteractive	28	16	62	18	55	62
			firstPaint	653	82	1399	454	954	1399
			backgroundConnect	243	224	307	21	260	307
			firstReactRender	29	25	46	5	29	46
			getState	171	86	237	30	195	237
			initialActions	0	0	1	0	1	1
			loadScripts	787	667	1110	166	1049	1110
			setupStore	14	9	29	7	12	29
			numNetworkReqs	118	74	256	62	164	256
	Webpack	Standard Home	uiStartup	844	722	1189	86	856	1081
			load	616	563	923	77	609	860
			domContentLoaded	608	557	907	74	604	835
			domInteractive	17	12	82	10	15	39
			firstPaint	208	57	911	183	208	589
			backgroundConnect	26	13	75	15	29	65
			firstReactRender	29	18	68	8	35	37
			getState	11	5	36	5	13	20
			initialActions	0	0	1	0	0	1
			loadScripts	605	555	897	72	601	824
			setupStore	12	6	31	5	13	21
			numNetworkReqs	13	6	77	19	8	71
	Webpack	Power User Home	uiStartup	1294	1147	1712	185	1429	1712
			load	655	572	951	121	752	951
			domContentLoaded	636	560	907	107	718	907
			domInteractive	23	12	59	17	45	59
			firstPaint	308	63	911	263	577	911
			backgroundConnect	68	11	278	83	175	278
			firstReactRender	27	25	32	2	28	32
			getState	148	109	164	18	159	164
			initialActions	0	0	1	0	0	1
			loadScripts	632	558	897	104	708	897
			setupStore	11	6	28	7	10	28
			numNetworkReqs	109	66	221	48	166	221
Firefox	Browserify	Standard Home	uiStartup	1433	1265	1806	109	1496	1639
			load	1224	1071	1471	84	1290	1365
			domContentLoaded	1224	1071	1471	84	1289	1365
			domInteractive	120	33	275	51	128	254
			firstPaint	-	-	-	-	-	-
			backgroundConnect	40	24	109	16	48	73
			firstReactRender	25	21	78	7	26	39
			getState	7	4	43	6	7	17
			initialActions	0	0	2	0	0	1
			loadScripts	1200	1052	1453	81	1263	1328
			setupStore	12	5	35	5	12	24
			numNetworkReqs	12	6	66	14	7	54
	Browserify	Power User Home	uiStartup	2528	2134	3617	406	2742	3617
			load	1356	1144	1808	224	1551	1808
			domContentLoaded	1356	1143	1807	224	1550	1807
			domInteractive	218	87	607	189	465	607
			firstPaint	-	-	-	-	-	-
			backgroundConnect	141	33	442	135	268	442
			firstReactRender	44	30	85	13	49	85
			getState	137	82	211	33	145	211
			initialActions	0	0	1	0	1	1
			loadScripts	1322	1122	1780	212	1520	1780
			setupStore	31	6	94	24	47	94
			numNetworkReqs	131	66	312	72	199	312
	Webpack	Standard Home	uiStartup	1624	1397	2230	184	1625	2175
			load	1379	1203	1705	111	1416	1634
			domContentLoaded	1378	1203	1704	111	1416	1633
			domInteractive	103	31	320	45	114	185
			firstPaint	-	-	-	-	-	-
			backgroundConnect	50	21	149	29	52	130
			firstReactRender	29	22	73	9	30	46
			getState	11	4	214	23	8	45
			initialActions	0	0	1	0	0	1
			loadScripts	1345	1187	1676	99	1377	1564
			setupStore	21	7	237	35	12	106
			numNetworkReqs	13	6	71	17	7	64
	Webpack	Power User Home	uiStartup	2523	2226	3071	251	2777	3071
			load	1539	1316	1830	187	1748	1830
			domContentLoaded	1539	1316	1830	187	1748	1830
			domInteractive	171	49	538	147	327	538
			firstPaint	-	-	-	-	-	-
			backgroundConnect	107	33	243	74	191	243
			firstReactRender	41	29	101	16	41	101
			getState	133	79	277	49	139	277
			initialActions	1	0	1	1	1	1
			loadScripts	1504	1289	1798	184	1706	1798
			setupStore	29	6	106	31	47	106
			numNetworkReqs	130	64	233	61	199	233

📊 Page Load Benchmark Results

Current Commit: 35c87d6 | Date: 11/6/2025

📄 Localhost MetaMask Test Dapp

Samples: 100

Summary

• pageLoadTime-> current mean value: 1.02s (±36ms) 🟡 | historical mean value: 1.05s ⬇️ (historical data)
• domContentLoaded-> current mean value: 711ms (±34ms) 🟢 | historical mean value: 730ms ⬇️ (historical data)
• firstContentfulPaint-> current mean value: 75ms (±10ms) 🟢 | historical mean value: 77ms ⬇️ (historical data)

📈 Detailed Results

Metric	Mean	Std Dev	Min	Max	P95	P99
pageLoadTime	1.02s	36ms	1.00s	1.29s	1.04s	1.29s
domContentLoaded	711ms	34ms	693ms	969ms	728ms	969ms
firstPaint	75ms	10ms	60ms	164ms	84ms	164ms
firstContentfulPaint	75ms	10ms	60ms	164ms	84ms	164ms
largestContentfulPaint	0ms	0ms	0ms	0ms	0ms	0ms

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

• background: 114 Bytes (0%)
• ui: 0 Bytes (0%)
• common: 40 Bytes (0%)

[metamaskbot]

No release label on PR. Adding release label release-13.9.0 on PR, as PR was added to branch 13.9.0 when release was cut.