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stack wrong makeunique suggestion

feature

Status: Closed (completed).

#3487 In JuliaData/DataFrames.jl;

· by sylvaticus was closed on Mar 17, 2026

invalid index with SubDataFrame and copycols = false

non-breakingThe proposed change is not breakingThe proposed change is not breaking

Status: Closed (completed).

#3515 In JuliaData/DataFrames.jl;

· by jkrumbiegel was closed on Feb 22, 2026

Reject transformations on SubDataFrame with copycols=false

bug

Status: Merged (completed).

JuliaData/DataFrames.jlnumber 3522

#3522 In JuliaData/DataFrames.jl;

· by arkgupta17 was closed on Feb 22, 2026

Update test/io.jl

ecosystemIssues in DataFrames.jl ecosystemIssues in DataFrames.jl ecosystem

Status: Merged (completed).

JuliaData/DataFrames.jlnumber 3529

#3529 In JuliaData/DataFrames.jl;

· by bkamins was closed on Apr 6, 2026

mixing :x => :y and :x => f => :y syntax in vector to select errors

decision

Status: Closed (completed).

#2888 In JuliaData/DataFrames.jl;

· by kleinschmidt was closed on Sep 23, 2021

Should ByRow use map or not

bug

Status: Closed (completed).

#2834 In JuliaData/DataFrames.jl;

· by bkamins was closed on Sep 6, 2021

subset!(gd::GroupedDataFrame, ...) should make sure gd still works after

bug

grouping

priority

Status: Closed (completed).

#2808 In JuliaData/DataFrames.jl;

· by pdeffebach was closed on Jul 1, 2021

update docs to CSV.jl 0.9

doc

Status: Closed (completed).

#2864 In JuliaData/DataFrames.jl;

· by bkamins was closed on Sep 9, 2021

Better error messages when frame is empty

feature

Status: Closed (completed).

#2867 In JuliaData/DataFrames.jl;

· by jtrakk was closed on Sep 23, 2021

Default show truncates too soon

display

Status: Closed (completed).

#2913 In JuliaData/DataFrames.jl;

· by anandijain was closed on Oct 21, 2021

update DataFramesMeta.jl docs

doc

Status: Closed (completed).

#2910 In JuliaData/DataFrames.jl;

· by bkamins was closed on Oct 19, 2021

Recommend PooledArrays to pool data

doc

Status: Closed (completed).

#2908 In JuliaData/DataFrames.jl;

· by jakobnissen was closed on Oct 23, 2021

Sync with DataAPI.jl 1.7 release

ecosystemIssues in DataFrames.jl ecosystemIssues in DataFrames.jl ecosystem

Status: Closed (completed).

#2788 In JuliaData/DataFrames.jl;

· by bkamins was closed on Jun 28, 2021

subset with grouped data frame has worse compile times than transform

performance

Status: Closed (completed).

#2806 In JuliaData/DataFrames.jl;

· by pdeffebach was closed on Jul 24, 2021

DataFrame(table) != DataFrame(table, copycols=true)

doc

Status: Closed (completed).

#2799 In JuliaData/DataFrames.jl;

· by altre was closed on Jun 30, 2021

Clean up precompile statements

CI

Status: Closed (completed).

#2792 In JuliaData/DataFrames.jl;

· by bkamins was closed on Jul 1, 2021

inconsistency of groupby() for -0.0

bug

Status: Closed (completed).

#2790 In JuliaData/DataFrames.jl;

· by sl-solution was closed on Jun 28, 2021

Slow sorts in columns with Union{<:Any, missing} even if no missing values in the column

performance

Status: Closed (completed).

#2745 In JuliaData/DataFrames.jl;

· by clintonTE was closed on May 30, 2021

Unable to install DataFrames: error regarding ComposedFunction

ecosystemIssues in DataFrames.jl ecosystemIssues in DataFrames.jl ecosystem

Status: Closed (completed).

#2748 In JuliaData/DataFrames.jl;

· by StephenVavasis was closed on May 5, 2021

Improve SubDataFrame creation for AbstractVector{Bool}

performance

Status: Closed (completed).

#2765 In JuliaData/DataFrames.jl;

· by bkamins was closed on May 28, 2021

The test/show.jl tests fail when Julia is started with julia --color=no

CI

Status: Closed (completed).

#2846 In JuliaData/DataFrames.jl;

· by DilumAluthge was closed on Aug 31, 2021

AsTable docstring doesn't mention it can be used as a target for select etc.

doc

Status: Closed (completed).

#2850 In JuliaData/DataFrames.jl;

· by kleinschmidt was closed on Sep 2, 2021

dropmissing! creates weird memory bugs/errors on 1.7 and 1.6

bug

Status: Closed (completed).

#2819 In JuliaData/DataFrames.jl;

· by pcjentsch was closed on Jul 20, 2021

Significant regression of groupby when threading

performance

priority

Status: Closed (completed).

#2735 In JuliaData/DataFrames.jl;

· by bkamins was closed on May 1, 2021

Review comparisons with R/Python

doc

Status: Closed (completed).

#2737 In JuliaData/DataFrames.jl;

· by bkamins was closed on May 9, 2021