tafia

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• xlsx: workbooks with an Excel 4.0 macro sheet fail to open

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  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  tafia/calamine#802 · Opened Nov 14, 2026

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• XLS: FORMAT records with IDs 50-58 are silently rejected -> numeric cells misdetected as dates via builtin East Asian date formats

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  bug

  Difficulty 3/5 1-2 days Newbie friendliness 76/100

  tafia/calamine#798 · 1 comment · Opened Nov 12, 2026

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• 0.42.0 is about 30% slower than 0.41.0 on documents with many small events

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  encoding optimization

  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  tafia/quick-xml#1039 · 1 comment · Opened Nov 10, 2026

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• Memory while reading styles can grow far beyond the size of the file

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  bug enhancement performance

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  tafia/calamine#782 · 1 comment · 1 reaction · Opened Nov 5, 2026

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• Expanded empty elements allocate a String per element

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  optimization question

  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  tafia/quick-xml#1036 · Opened Nov 5, 2026

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• xlsb: read number formats in `worksheet_style()`

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  enhancement

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  tafia/calamine#781 · 1 comment · Opened Nov 5, 2026

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• Inconsistent handling of tags starting with digits (Parser accepts invalid XML)

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  enhancement

  Difficulty 4/5 1-2 days Newbie friendliness 53/100

  tafia/quick-xml#1035 · 1 comment · Opened Nov 5, 2026

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• xls: truncated .xls files panic in the CFB reader (`Sectors::get` / `to_u32` / `get_chain`) instead of returning an error

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  fix in progress

  Difficulty 3/5 1-2 days Newbie friendliness 76/100

  tafia/calamine#764 · 2 comments · Opened Oct 30, 2026

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• memory allocation of N bytes failed then opening Sheet

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  awaiting user feedback bug fix in progress

  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  tafia/calamine#726 · 4 comments · Opened Sep 25, 2026

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• feature request: Add serde support for Jiff date/time types

  May be free again @jmcnamara claimed this 58 days ago, and no pull request is open. Open

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  tafia/calamine#725 · 1 comment · 1 assignee · Opened Sep 17, 2026

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• Reader should be capable of transparent EOL normalization

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tafia/quick-xml#1003 · Opened Aug 15, 2026

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• Help wanted: additional maintainer support

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tafia/calamine#698 · 1 reaction · Opened Jul 27, 2026

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• Detect loops in entity resolution

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  enhancement help wanted

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/quick-xml#945 · Opened Feb 21, 2026

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• Case-insensitive XML declaration detection per XML spec section 2.6

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  Difficulty 4/5 3-5 days Newbie friendliness 34/100

  tafia/quick-xml#927 · 2 comments · 2 reactions · Opened Dec 26, 2025

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• Release preparation

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  next_release

  Difficulty 1/5 Under an hour Newbie friendliness 28/100

  tafia/calamine#586 · 20 comments · Opened Nov 20, 2025

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• Whitespaces around character entities

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  help wanted serde

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/quick-xml#900 · 3 comments · 2 reactions · Opened Sep 16, 2025

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• Lingering serde whitespace bug

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  help wanted serde

  Difficulty 3/5 1-2 days Newbie friendliness 46/100

  tafia/quick-xml#896 · 6 comments · Opened Aug 30, 2025

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• A pipeline system

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tafia/quick-xml#890 · 2 comments · Opened Aug 6, 2025

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• Add ability to serialize Serde types to quick_xml::writer::Writer

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  enhancement serde

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  tafia/quick-xml#886 · 3 comments · 1 reaction · Opened Jul 28, 2025

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• Working with typetag for xs:choice / variant types?

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  question serde

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tafia/quick-xml#880 · 1 comment · Opened Jul 22, 2025

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• Consider whether a DOM wrapper would be a useful addition

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tafia/quick-xml#851 · 2 comments · Opened Mar 27, 2025

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• well-formedness

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  enhancement help wanted

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tafia/quick-xml#848 · 7 comments · Opened Feb 27, 2025

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• Easy way to implement a LineCounter

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  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  tafia/quick-xml#837 · 4 comments · Opened Jan 13, 2025

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• Cryptic error UnexpectedStart if serde structs do not match XML

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  serde

  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  tafia/quick-xml#834 · 1 reaction · Opened Dec 13, 2024

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• Deserialization of enum variant which recursively refers to itself failed with stackoverflow

  May be free again A pull request for this issue was closed without being merged. Open

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  bug help wanted serde

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/quick-xml#819 · Opened Oct 9, 2024

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• Document how to deserialize and serialize attributes using serde

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  documentation serde

  Difficulty 2/5 1-3 hours Newbie friendliness 30/100

  tafia/quick-xml#804 · 7 comments · Opened Sep 23, 2024

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• Document how to deserialize and serialize XML with namespaces using serde

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  documentation namespaces serde

  Difficulty 2/5 1-3 hours Newbie friendliness 44/100

  tafia/quick-xml#803 · 2 comments · Opened Sep 23, 2024

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• Expose a way to iterate over `DeEvent`s

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  enhancement

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  tafia/quick-xml#799 · 1 comment · Opened Aug 29, 2024

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• Support for embedded raw binary with serde API

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  enhancement help wanted serde

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  tafia/quick-xml#792 · 2 comments · Opened Aug 2, 2024

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• How to deserializes into generic struct that includes element name

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  serde

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/quick-xml#778 · 2 comments · Opened Jul 2, 2024

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• [Bug/Feature] Unable to get PtgExp (array/shared) formula from xls file

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  bug help wanted xls

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/calamine#443 · 3 comments · 1 reaction · Opened Jun 20, 2024

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• Problem deserializing a struct that can be serialized

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  arrays bug help wanted serde

  Difficulty 2/5 1-3 hours Newbie friendliness 38/100

  tafia/quick-xml#752 · 2 comments · Opened Jun 3, 2024

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• Add conformance tests

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  enhancement help wanted

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  tafia/quick-xml#749 · 1 comment · Opened May 27, 2024

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• Understanding empty tag behavior

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  question

  Difficulty 3/5 1-2 days Newbie friendliness 34/100

  tafia/quick-xml#741 · 5 comments · Opened Apr 26, 2024

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• [Feature Request] Row/Column Properties

  May be free again @jmcnamara claimed this 498 days ago, and no pull request is open. Open

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  enhancement

  tafia/calamine#417 · 3 comments · 1 assignee · Opened Mar 26, 2024

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• How to escape/de-descape with Serde

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  enhancement help wanted serde

  Difficulty 2/5 1-3 hours Newbie friendliness 28/100

  tafia/quick-xml#720 · 2 comments · 1 reaction · Opened Feb 27, 2024

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• Change the representation of Enums

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  help wanted question serde

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tafia/quick-xml#717 · 12 comments · Opened Feb 23, 2024

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• `quick_xml::de::from_reader` requires a `BufRead` instead of just an `std::io::Read`

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  help wanted

  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  tafia/quick-xml#716 · 2 comments · Opened Feb 23, 2024

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• Question: name as attribute with serde

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  question serde

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  tafia/quick-xml#715 · 1 comment · Opened Feb 22, 2024

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• Feature: Defined names from workbook returned as Range

  May be free again @jmcnamara claimed this 498 days ago, and no pull request is open. Open

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  enhancement

  tafia/calamine#407 · 1 assignee · Opened Feb 14, 2024

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• Feature request: format-aware version of `as_datetime()`

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  formatting

  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  tafia/calamine#400 · 1 comment · Opened Feb 2, 2024

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• Help with mixed sequence with attributes?

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  serde

  Difficulty 2/5 1-3 hours Newbie friendliness 25/100

  tafia/quick-xml#700 · 1 comment · Opened Jan 10, 2024

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• Add ability to get spans of deserialized values

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  enhancement help wanted serde

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  tafia/quick-xml#695 · 4 comments · Opened Dec 10, 2023

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• Is it as expect that Option attribute serialize into empty string instead of non-attribute.

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  documentation serde

  Difficulty 2/5 1-3 hours Newbie friendliness 38/100

  tafia/quick-xml#692 · 2 comments · 1 reaction · Opened Dec 3, 2023

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• Examples should cover XML writing more thoroughly

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  Difficulty 2/5 1-3 hours Newbie friendliness 38/100

  tafia/quick-xml#686 · 1 comment · Opened Nov 22, 2023

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• Unable to serialize a struct that deserialization works for

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  bug serde

  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  tafia/quick-xml#654 · 4 comments · Opened Sep 20, 2023

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• ODS: extract error value from cell

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  ods

  Difficulty 3/5 1-2 days Newbie friendliness 42/100

  tafia/calamine#355 · 3 comments · Opened Sep 8, 2023

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• Invalid XML declarations allowed

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  enhancement help wanted

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  tafia/quick-xml#641 · 5 comments · Opened Sep 2, 2023

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• Would using thiserror crate be acceptable for the error handling?

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tafia/quick-xml#638 · 2 comments · Opened Aug 25, 2023

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• Profile-Guided Optimization (PGO) results

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  documentation help wanted

  Difficulty 1/5 Under an hour Newbie friendliness 28/100

  tafia/quick-xml#632 · 1 comment · Opened Aug 15, 2023

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