Issues

• Attribute values are not normalized as XML 1.0 section 3.3.3 requires

  NaturalIntelligence/fast-xml-parser#920 · Filter by author neumaennl opened on Nov 10, 2026
  2

• Text content is appended one character at a time in parseXml

  NaturalIntelligence/fast-xml-parser#914 · Filter by author TheNetherWatcher opened on Nov 7, 2026
  1

• Parser path matchers lose or omit current-node attributes

  Pending
  NaturalIntelligence/fast-xml-parser#912 · Filter by author Sskift opened on Nov 2, 2026
  1

• XMLValidator accepts double hyphens inside comments

  NaturalIntelligence/fast-xml-parser#903 · Filter by author agammann opened on Nov 1, 2026
  3

• Builder emits forbidden XML control characters and validator accepts them

  NaturalIntelligence/fast-xml-parser#902 · Filter by author agammann opened on Nov 1, 2026
  2

• XMLValidator accepts a literal ]]> in element text

  NaturalIntelligence/fast-xml-parser#901 · Filter by author agammann opened on Nov 1, 2026
  2

• XMLValidator accepts raw < and & in attribute values

  NaturalIntelligence/fast-xml-parser#900 · Filter by author agammann opened on Nov 1, 2026
  3

• XMLValidator accepts references, CDATA, and DOCTYPE after the root element

  NaturalIntelligence/fast-xml-parser#899 · Filter by author agammann opened on Nov 1, 2026
  3

• Grouped attributes are unavailable to isArray matcher predicates

  NaturalIntelligence/fast-xml-parser#898 · Filter by author liuyinchu opened on Oct 30, 2026
  2

• Numeric character references (&#65;, &#x41;) are not decoded unless htmlEntities is enabled

  NaturalIntelligence/fast-xml-parser#892 · Filter by author philppplik opened on Oct 18, 2026
  3

• getMetaDataSymbol() declares a boxed Symbol

  NaturalIntelligence/fast-xml-parser#890 · Filter by author eugeniodepalo opened on Oct 13, 2026
  1

• parseAttributeValue 将单元格坐标 "E1" 误判为科学计数法并转成 null，导致属性值丢失

  bug
  NaturalIntelligence/fast-xml-parser#888 · Filter by author mengchongzhanjian opened on Oct 9, 2026
  2

• ignoreDeclaration does not ignore lower case doctype declaration

  NaturalIntelligence/fast-xml-parser#870 · Filter by author luaVolk opened on Sep 4, 2026
  2

• Enhance type definition for XMLParser isArray option when using TypeScript

  NaturalIntelligence/fast-xml-parser#803 · Filter by author plushie-cat opened on Mar 12, 2026
  21

• Incorrect parsing of <angle brackets > as text characters

  Feature-Request
  NaturalIntelligence/fast-xml-parser#779 · Filter by author levensta opened on Jan 22, 2026
  9

• Performance degradation in concurrent usage with Promise, Promise.all

  NaturalIntelligence/fast-xml-parser#766 · Filter by author sya-ri opened on Oct 3, 2025
  4

• Don't create text node for self closing tags when alwaysCreateTextNode: true

  enhancement
  NaturalIntelligence/fast-xml-parser#708 · Filter by author langonja opened on Feb 13, 2025
  5

• Duplicate ?xml when rendering the document

  NaturalIntelligence/fast-xml-parser#689 · Filter by author ThePlenkov opened on Nov 4, 2024
  3

• Ability to read & write DOCTYPE information

  enhancement
  NaturalIntelligence/fast-xml-parser#639 · Filter by author emmercm opened on Feb 11, 2024
  3

• Online demo does not handle DOCTYPE correctly and gives an error

  NaturalIntelligence/fast-xml-parser#627 · Filter by author Edgar-P-yan opened on Dec 12, 2023
  2

• Carriage Return characters (\r) are incorrectly replaced with Newline characters (\n)

  Pending
  NaturalIntelligence/fast-xml-parser#512 · Filter by author ericdrobinson opened on Oct 29, 2022
  12