⬆️ update AngleSharp to 1.8.4

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
AngleSharp (source)	1.7.2 → 1.8.4

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Release Notes

AngleSharp/AngleSharp (AngleSharp)

v1.8.4

Released on Wednesday, October 7 2026

• Improved selection when parsing <select> (#​1364) @​PrzemyslawKlys
• Updated constraint validation eligibility of fieldset and output elements (breaking behavior change) (#​1373) @​PrzemyslawKlys
• Fixed change of <select> value (IsSelected) (#​1365) @​PrzemyslawKlys
• Fixed indeterminate input state when cloning (#​1367) @​PrzemyslawKlys
• Fixed <select> form submission including unselected options and options in disabled groups (#​1366) @​PrzemyslawKlys
• Fixed option indexes inside option groups (#​1368) @​PrzemyslawKlys
• Fixed selecting an option leaving other single-select options selected (#​1372) @​PrzemyslawKlys
• Fixed validity checks for controls excluded from validation (#​1370) @​PrzemyslawKlys
• Fixed template content document when adopting a subtree (#​1374) @​PrzemyslawKlys
• Fixed checking a radio leaving other group members checked (#​1371) @​PrzemyslawKlys
• Fixed parsed radio checkedness depending on attribute order @​PrzemyslawKlys
• Fixed SVG annotation-xml elements being treated as HTML integration points @​NotAFlightRisk
• Fixed required radio validation across group members (#​1369) @​PrzemyslawKlys

v1.8.3

Released on Wednesday, September 30 2026

• Improved cancellation of queued timer callbacks (#​1357) @​PrzemyslawKlys
• Improved configuration / setup performance (#​1360) @​PrzemyslawKlys
• Fixed form submission ignoring sandbox restrictions (#​1358) @​PrzemyslawKlys
• Fixed <base> elements not following frozen document base URL and tree-order mutation rules (#​1355, #​1362)
• Fixed native Unloading handlers subscribing to unloading instead of beforeunload (#​1354) @​PrzemyslawKlys
• Added OnReset event to inform script hosts of native listener removals (#​1356) @​PrzemyslawKlys
• Added pull-based HTML serialization stream (#​1361) @​PrzemyslawKlys

v1.8.2

Released on Friday, September 18 2026

• Improved attribute selector serialization to write only the case-sensitivity modifier that was specified (#​1351)
• Improved id/name lookup on collections (document.forms["x"], form.elements["x"], ...) to enumerate the underlying sequence once instead of twice
• Improved performance of form.elements / fieldset.elements by walking the tree directly (#​1350)
• Improved GetElementsByTagName / GetElementsByClassName traversal to stop double-scanning each element's children
• Improved selector specificity (Selectors.Specificity, ComplexSelector.Specificity) to be computed once instead of recomputed on every read
• Improved ListSelector.GetMatchingSelector to sort its selectors once instead of on every call
• Improved performance of HTML tree construction by keeping mutation logic out of it (#​1347)
• Improved performance of DOM mutations by building a mutation record only when an observer will consume it (#​1347)
• Improved performance of parser attribute duplication check
• Fixed Document.Forms allocating a new collection instance per read, contradicting its own [DomSameObject] contract
• Fixed classList and the other reflected token lists writing their content attribute without running the attribute change steps or queueing a mutation record
• Fixed clearing a reflected boolean attribute such as disabled removing it without running the attribute change steps or queueing a mutation record
• Fixed vulnerability via SVG style serialization (GHSA-cgp3-27rh-pcp2)
• Fixed a StackOverflowException when parsing a document with deeply nested unclosed <template> elements
• Added Document.MutationVersion, a synchronous counter of DOM mutations that a parse leaves unchanged (#​1344, #​1347)

v1.8.1

Released on Thursday, September 10 2026

• Updated DoFocus and DoBlur to apply to form elements
• Improved explicit form ownership to take precedence over ancestor forms for connected controls (#​1323) @​sebastienros
• Fixed HTML hyperlink pseudo-classes omitting empty href and matching link elements (#​1337) @​sebastienros
• Fixed HTML-namespace element creation losing local-name case (#​1327) @​sebastienros
• Fixed :enabled incorrectly matching HTML links with nonempty href (#​1324) @​sebastienros
• Fixed changing focus of elements

v1.8.0

Released on Saturday, September 5 2026

• Improved AngleSharp's test website
• Fixed script data escaped state potentially not bouncing back correctly
• Added the DomSameObject annotation for the respective IDL members (#​1314) @​lahma
• Added the DomReturnType annotation for methods returning a different IDL type (#​1318)

v1.7.3

Released on Thursday, September 3 2026

• Improved tracking of parse exceptions in the HtmlParser (#​1315) @​lahma
• Fixed tokenizer buffer overrun on encoding change (#​1290) @​jafin
• Fixed selector text dropping the nth-child of clause (#​1292) @​jafin
• Fixed selector text dropping the case-insensitive (#​1291) @​jafin
• Fixed selector specificity carrying between fields instead of saturating (#​1300) @​meziantou
• Fixed condition check for disposed state in ReturnToPool (#​1296) @​meziantou
• Fixed ArgumentOutOfRangeException CSS escapes (#​1299) @​meziantou
• Fixed whitespace around An+B CSS selector notations (#​1297)
• Fixed unsupported pseudo-classes matching everything (#​1295)
• Fixed DomException for invalid foreign attribute names such as xml:lang[ (#​1294)
• Fixed script data escaped state leaving escaped mode too early (#​1298)
• Fixed CurrentScript not indicating the currently executing script (#​1308) @​lahma
• Fixed returned missing attribute-properties to use empty string instead of null (#​1313) @​lahma
• Fixed removal of data-* attributes (#​1310) @​lahma
• Added missing DomName/DomAccessor annotations (#​1301) @​meziantou
• Added missing DomLiterals attribute to AdjacentPosition (#​1311) @​lahma

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