[Fizz] Gate rel="expect" behind enableFizzBlockingRender

[sebmarkbage]

Enabled in experimental channel.

We know this is critical semantics to enforce at the HTML level since if you don't then you can't add explicit boundaries after the fact. However, this might have to go in a major release to allow for upgrading.

[react-sizebot]

Comparing: 5d04d73...9bb7288

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.js	=	6.68 kB	6.68 kB	=	1.83 kB	1.83 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	528.09 kB	528.09 kB	=	93.17 kB	93.17 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.69 kB	6.69 kB	=	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	646.40 kB	646.40 kB	=	113.71 kB	113.71 kB
facebook-www/ReactDOM-prod.classic.js	=	674.15 kB	674.15 kB	=	118.41 kB	118.41 kB
facebook-www/ReactDOM-prod.modern.js	=	664.43 kB	664.43 kB	=	116.81 kB	116.81 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom-server.bun.development.js	=	327.51 kB	326.52 kB	=	63.72 kB	63.59 kB
oss-stable-semver/react-dom/cjs/react-dom-server.bun.development.js	=	327.43 kB	326.44 kB	=	63.69 kB	63.56 kB
oss-stable/react-dom/cjs/react-dom-server.node.development.js	=	380.59 kB	379.43 kB	=	68.43 kB	68.31 kB
oss-stable-semver/react-dom/cjs/react-dom-server.node.development.js	=	380.51 kB	379.36 kB	=	68.38 kB	68.26 kB
oss-stable/react-dom/cjs/react-dom-server.edge.development.js	=	384.88 kB	383.69 kB	=	69.21 kB	69.09 kB
oss-stable-semver/react-dom/cjs/react-dom-server.edge.development.js	=	384.80 kB	383.61 kB	=	69.16 kB	69.04 kB
oss-stable/react-dom/cjs/react-dom-server.browser.development.js	=	384.10 kB	382.91 kB	=	69.07 kB	68.95 kB
oss-stable-semver/react-dom/cjs/react-dom-server.browser.development.js	=	384.02 kB	382.83 kB	=	69.02 kB	68.90 kB
oss-stable/react-dom/cjs/react-dom-server-legacy.browser.development.js	=	367.08 kB	365.74 kB	=	66.66 kB	66.48 kB
oss-stable/react-dom/cjs/react-dom-server-legacy.node.development.js	=	367.07 kB	365.74 kB	=	66.66 kB	66.48 kB
oss-stable-semver/react-dom/cjs/react-dom-server-legacy.browser.development.js	=	367.05 kB	365.72 kB	=	66.63 kB	66.46 kB
oss-stable-semver/react-dom/cjs/react-dom-server-legacy.node.development.js	=	367.05 kB	365.72 kB	=	66.63 kB	66.46 kB
oss-stable/react-dom/cjs/react-dom-server.edge.production.js	=	240.22 kB	239.27 kB	=	44.14 kB	44.00 kB
oss-stable-semver/react-dom/cjs/react-dom-server.edge.production.js	=	240.14 kB	239.19 kB	=	44.12 kB	43.98 kB
oss-stable/react-dom/cjs/react-dom-server.browser.production.js	=	235.01 kB	234.06 kB	=	42.18 kB	42.06 kB
oss-stable-semver/react-dom/cjs/react-dom-server.browser.production.js	=	234.94 kB	233.99 kB	=	42.16 kB	42.04 kB
oss-stable/react-dom/cjs/react-dom-server.bun.production.js	=	220.08 kB	219.19 kB	=	40.52 kB	40.39 kB
oss-stable-semver/react-dom/cjs/react-dom-server.bun.production.js	=	220.00 kB	219.11 kB	=	40.49 kB	40.36 kB
oss-stable/react-dom/cjs/react-dom-server.node.production.js	=	236.83 kB	235.86 kB	=	43.16 kB	43.01 kB
oss-stable-semver/react-dom/cjs/react-dom-server.node.production.js	=	236.75 kB	235.78 kB	=	43.14 kB	42.99 kB
oss-stable/react-dom/cjs/react-dom-server-legacy.node.production.js	=	219.69 kB	218.68 kB	=	40.98 kB	40.83 kB
oss-stable-semver/react-dom/cjs/react-dom-server-legacy.node.production.js	=	219.67 kB	218.66 kB	=	40.95 kB	40.81 kB
oss-stable/react-dom/cjs/react-dom-server-legacy.browser.production.js	=	215.18 kB	214.17 kB	=	39.23 kB	39.08 kB
oss-stable-semver/react-dom/cjs/react-dom-server-legacy.browser.production.js	=	215.15 kB	214.14 kB	=	39.21 kB	39.06 kB

Generated by 🚫 dangerJS against 9bb7288