WordPress 6.4 Beta 1 performance (McGill/Local)

	A	B	C	D	E	F
1	Metric	Percentile	WP 6.3.1	WP 6.4 Beta 1	Diff %	Diff abs.
2	FCP	p10	130.16	125.78	-3.37%	-4.38
3		p25	131.38	131.75	0.28%	0.37
4		p50 (median)	138.65	136.05	-1.88%	-2.60
5		p75	142.65	145.25	1.82%	2.60
6		p90	148.64	152.96	2.91%	4.32
7	LCP	p10	85.55	80.74	-5.62%	-4.81
8		p25	89.38	83.22	-6.89%	-6.16
9		p50 (median)	93.35	89.35	-4.28%	-4.00
10		p75	100.4	97.5	-2.89%	-2.90
11		p90	102.39	102.57	0.18%	0.18
12	TTFB	p10	130.16	125.78	-3.37%	-4.38
13		p25	131.38	131.75	0.28%	0.37
14		p50 (median)	138.65	136.05	-1.88%	-2.60
15		p75	142.65	145.25	1.82%	2.60
16		p90	148.64	152.96	2.91%	4.32
17	LCP-TTFB	p10	41.99	44.28	5.45%	2.29
18		p25	42.25	45.2	6.98%	2.95
19		p50 (median)	43.3	47	8.55%	3.70
20		p75	46.25	50.38	8.93%	4.13
21		p90	48.47	54.19	11.80%	5.72
22
23	Tests were conducted using the "benchmark-web-vitals" command with 20 runs each, following the workflow documented here.
24	Tests were using Twenty Twenty-Three and its home page with the default content plus a featured image added to the "Hello world!" post.
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