Channel messaging
Method for having two-way communication between browsing contexts (using MessageChannel)
CSS Filter Effects
Method of applying filter effects using the `filter` property to elements, matching filters available in SVG. Filter functions include blur, brightness, contrast, drop-shadow, grayscale, hue-rotate, invert, opacity, sepia and saturate.
ui-serif, ui-sans-serif, ui-monospace and ui-rounded values for font-family
Allows more control when choosing system interface fonts
disabled attribute of the fieldset element
Allows disabling all of the form control descendants of a fieldset via a `disabled` attribute on the fieldset element itself.
sandbox attribute for iframes
Method of running external site pages with reduced privileges (e.g. no JavaScript) in iframes.
'SameSite' cookie attribute
Same-site cookies ("First-Party-Only" or "First-Party") allow servers to mitigate the risk of CSRF and information leakage attacks by asserting that a particular cookie should only be sent with requests initiated from the same registrable domain.
Cross-document messaging
Method of sending information from a page on one domain to a page on a different one (using postMessage)
audiobuffer api: samplerate
audiodata api: samplerate
audioworkletglobalscope api: samplerate
baseaudiocontext api: samplerate
canvasrenderingcontext2d api: save
cookiestore api: get: `samesite` in return value
cspviolationreportbody api: sample
gputexture api: samplecount
htmlfencedframeelement api: sandbox
htmliframeelement api: sandbox
navigationdestination api: samedocument
navigationhistoryentry api: samedocument
networkinformation api: savedata
offscreencanvasrenderingcontext2d api: save
paintrenderingcontext2d api: save
profiler api: sampleinterval
securitypolicyviolationevent api: sample
webgl2renderingcontext api: samplecoverage
webgl2renderingcontext api: samplerparameterf
webgl2renderingcontext api: samplerparameteri
webglrenderingcontext api: samplecoverage
types: `env()`: safe area inset variable `safe-area-inset-bottom`
types: `env()`: safe area inset variable `safe-area-inset-left`
types: `env()`: safe area inset variable `safe-area-inset-right`
types: `env()`: safe area inset variable `safe-area-inset-top`
html element: iframe: sandbox
html element: iframe: sandbox: `sandbox="allow-downloads"`
html element: iframe: sandbox: `sandbox="allow-forms"`
html element: iframe: sandbox: `sandbox="allow-modals"`
html element: iframe: sandbox: `sandbox="allow-pointer-lock"`
html element: iframe: sandbox: `sandbox="allow-popups"`
html element: iframe: sandbox: `sandbox="allow-same-origin"`
html element: iframe: sandbox: `sandbox="allow-scripts"`
html element: samp
headers http header: content-security-policy: sandbox
headers http header: referrer-policy: same-origin
headers http header: save-data
headers http header: set-cookie: samesite: defaults to `lax`
headers http header: set-cookie: samesite: url scheme-aware ("schemeful")
headers http header: x-frame-options: sameorigin
safari
safari on ios
samsung internet browser
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