JuliaData

Issues somebody may already be working on are listed last. List everything by date

• Searching for a CR costs more than a `memchr` call, and macOS has no `memrchr`

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  JuliaData/XML.jl#225 · Opened Nov 8, 2026

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• YAML.load fails in a `juliac --trim` binary: abstract `TokenStream.encoding` (and other dynamic calls)

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

  JuliaData/YAML.jl#260 · Opened Nov 6, 2026

• `:strict` does not check two rules of processing instructions

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  Difficulty 3/5 1-2 days Newbie friendliness 54/100

  JuliaData/XML.jl#218 · Opened Nov 5, 2026

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• Generate Julia types from an Avro schema for typed reads

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/Avro.jl#22 · Opened Nov 5, 2026

• `write` changes the text of an element whose text children are all white space

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

  JuliaData/XML.jl#213 · Opened Nov 4, 2026

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• New release?

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

  JuliaData/DataFramesMeta.jl#430 · 1 reaction · Opened Oct 28, 2026

• FlatNode: keep the caller's line ends in sourcetext, sourcespan and splicetext

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  Difficulty 4/5 3-5 days Newbie friendliness 53/100

  JuliaData/XML.jl#195 · Opened Oct 27, 2026

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• Under Julia 1.11, `tag` on a `LazyNode` or a `Cursor` allocates 32 bytes in the full test suite

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  JuliaData/XML.jl#193 · Opened Oct 27, 2026

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• `:strict` does not check the syntax of ENTITY, ELEMENT and NOTATION declarations

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

  JuliaData/XML.jl#183 · Opened Oct 22, 2026

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• `Document`, `Element`, `Text`… are exported: they clash with `Base.Text` and with other packages

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  Difficulty 3/5 1-2 days Newbie friendliness 50/100

  JuliaData/XML.jl#179 · Opened Oct 22, 2026

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• Error when calling `categorical` with views of `CategoricalArray`

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  Difficulty 3/5 Half a day Newbie friendliness 62/100

  JuliaData/CategoricalArrays.jl#444 · Opened Oct 15, 2026

• No exception type identifies a rejected document

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  Difficulty 4/5 3-5 days Newbie friendliness 68/100

  JuliaData/XML.jl#155 · Opened Sep 21, 2026

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• §4.4 inclusion is internal-subset only, and the dense real-world case declares externally

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/XML.jl#137 · Opened Aug 31, 2026

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• Return the lazy iterators to value semantics — zero-allocation traversal — at the next breaking release

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

  JuliaData/XML.jl#124 · Opened Aug 13, 2026

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• Fused scan-to-build core for the Node parse: inlined handler callbacks instead of the token iterator

  May be free again @mathieu17g claimed this 95 days ago, and no pull request is open. Open

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  enhancement

  JuliaData/XML.jl#117 · 1 comment · 1 assignee · Opened Aug 5, 2026

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• Per-document string interning in the Node build: tag names, attribute names, formatting blanks

  May be free again @mathieu17g claimed this 96 days ago, and no pull request is open. Open

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  enhancement

  JuliaData/XML.jl#116 · 1 comment · 1 assignee · Opened Aug 5, 2026

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• Way to use `renamecols = false` from DataFrames.jl?

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

  JuliaData/DataFramesMeta.jl#428 · 2 comments · Opened Jul 31, 2026

• Update datastructures to include 2?

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  Difficulty 2/5 1-3 hours Newbie friendliness 58/100

  JuliaData/DataFrames.jl#3541 · 1 reaction · Opened Jul 25, 2026

• xpath: LazyNode support

  May be free again @mathieu17g claimed this 95 days ago, and no pull request is open. Open

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  enhancement

  JuliaData/XML.jl#79 · 1 reaction · 1 assignee · Opened Jul 5, 2026

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• Categorical Data documentation is missing data frame usage examples

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  question

  Difficulty 1/5 1-3 hours Newbie friendliness 68/100

  JuliaData/DataFrames.jl#3535 · 13 comments · Opened Jun 1, 2026

• [FR] XSD validation

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/XML.jl#57 · 1 reaction · Opened Apr 23, 2026

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• Assign to multiple columns in `@transform` (and other applicables)

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/DataFramesMeta.jl#419 · Opened Feb 12, 2026

• TagBot: Manual intervention needed for releases

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  tagbot-manual

  Difficulty 1/5 Under an hour Newbie friendliness 45/100

  JuliaData/DelimitedFiles.jl#37 · Opened Dec 22, 2025

• Parse double precision exponent D

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

  JuliaData/Parsers.jl#199 · Opened Nov 8, 2025

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• Have metadata printing be IO aware, metadata printing improvements in general

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  Difficulty 5/5 Over a week Newbie friendliness 30/100

  JuliaData/DataFramesMeta.jl#416 · Opened Nov 1, 2025

• YAML fails to parse numbers with leading zeros: 08

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  bug

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

  JuliaData/YAML.jl#247 · Opened Oct 21, 2025

• Import `columnnames` from Tables.jl to avoid namespace conflict

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  Difficulty 1/5 Under an hour Newbie friendliness 55/100

  JuliaData/TypedTables.jl#120 · Opened Oct 10, 2025

• Missing 1.10 release

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

  JuliaData/DelimitedFiles.jl#32 · 7 comments · Opened Aug 27, 2025

• Keywords to ignore leading and trailing delimiters

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

  JuliaData/CSV.jl#1162 · 2 comments · Opened Jul 21, 2025

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• Dataframe Dimensions with Comma- Thousand Separator

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  display

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

  JuliaData/DataFrames.jl#3499 · 3 comments · Opened May 29, 2025

• Recode does not maintain ordered type

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

  JuliaData/CategoricalArrays.jl#421 · 1 comment · Opened May 12, 2025

• Feature Request: Comprehensive Cheatsheet for DataFramesMeta.jl

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/DataFramesMeta.jl#407 · 1 comment · Opened Apr 23, 2025

• Make Unitful a weak dependency to improve load time

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  JuliaData/TableMetadataTools.jl#4 · 1 reaction · Opened Apr 22, 2025

• Confused about how to use Flatbuffers with Julia

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

  JuliaData/FlatBuffers.jl#75 · 2 comments · Opened Apr 17, 2025

• Allow parsing and writing of comments

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  API enhancement parser

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  JuliaData/YAML.jl#245 · 2 reactions · Opened Apr 9, 2025

• Allow compact representation of list

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  enhancement parser

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

  JuliaData/YAML.jl#244 · 4 reactions · Opened Apr 1, 2025

• Creating DataFrames from Dicts does not work as Expected

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

  JuliaData/DataFrames.jl#3495 · 8 comments · Opened Mar 28, 2025

• Occasional `ConcurrencyViolationError` on Julia v1.12

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  ecosystem

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

  JuliaData/DataFrames.jl#3494 · 3 comments · Opened Mar 22, 2025

• DataFrame-output in Jupyter as LaTeX breaks PDF-rendering via Typst

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  display

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

  JuliaData/DataFrames.jl#3493 · 1 reaction · Opened Mar 21, 2025

• columns with Int starting with padded zero detected as Int

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

  JuliaData/CSV.jl#1156 · Opened Mar 3, 2025

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• [feature request] add option to add a rownumber column

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

  JuliaData/CSV.jl#1155 · Opened Feb 21, 2025

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• Add `Before` for column selection

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

  JuliaData/DataFrames.jl#3491 · Opened Feb 19, 2025

• transform(df, :symbolname => AsTable) will not work for JSON data

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

  JuliaData/DataFrames.jl#3490 · 12 comments · Opened Feb 18, 2025

• Problem in converting FITS file tables to DataFrames

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  bug ecosystem

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

  JuliaData/DataFrames.jl#3489 · 4 comments · Opened Feb 14, 2025

• Magic File identifier "TZjf" not found error

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

  JuliaData/RData.jl#101 · Opened Jan 23, 2025

• avoid quotes for write to yaml file

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  API question

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

  JuliaData/YAML.jl#242 · Opened Jan 18, 2025

• Stack overflow when compiling sysimage

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  bug ecosystem

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

  JuliaData/DataFrames.jl#3484 · 6 comments · Opened Jan 3, 2025

• Comment on performance of objecttable and arraytable

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

  JuliaData/JSONTables.jl#25 · Opened Dec 3, 2024

• Feature Request: Automatic saving of metadata with arrow files

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  ecosystem

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

  JuliaData/DataFrames.jl#3480 · 2 comments · Opened Nov 28, 2024