JuliaIO/JLD2.jl

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HDF5-compatible file format in pure Julia

Stars: 640
Forks: 93
Open beginner issues: 0
Indexed issues: 21
Avg merge: 3d 2h
Merged PRs (30d): 3

Dominant language: Julia
License: No license data
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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21 open issues indexed

Incorrect mapping of field offsets for deeply nested hdf5 file Open

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

JuliaIO/JLD2.jl#743 · Opened Sep 11, 2026
Cannot load nested dictionaries in JLD2 file Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

JuliaIO/JLD2.jl#742 · Opened Sep 10, 2026
Add Gotcha for cluster users Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

JuliaIO/JLD2.jl#737 · 3 comments · Opened Aug 7, 2026
Add Checksums Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

JuliaIO/JLD2.jl#736 · Opened Aug 7, 2026
Possible errors detected by JET.jl Open

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

JuliaIO/JLD2.jl#723 · Opened Jun 12, 2026
cannot get data from jld2 file Open

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

JuliaIO/JLD2.jl#720 · Opened Jun 6, 2026
Failed to compile the JLD2 package using JuliaC Open

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

JuliaIO/JLD2.jl#719 · Opened Jun 5, 2026
fail to load (sometimes) Open

needs steps to reproduce

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

JuliaIO/JLD2.jl#711 · 2 comments · Opened Feb 26, 2026
Avoiding type piracy for custom serialization of type that I do not own Open

enhancement

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

JuliaIO/JLD2.jl#708 · 6 comments · Opened Jan 26, 2026
`find_type` causes lock contention Open

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

JuliaIO/JLD2.jl#706 · Opened Jan 14, 2026
`rconvert` only called for reconstructed types in vectors; or, vector of reconstructed types is mistyped Open

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

JuliaIO/JLD2.jl#691 · 3 comments · Opened Nov 4, 2025
Implement Array chunking Open

enhancement

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

JuliaIO/JLD2.jl#679 · Opened Sep 9, 2025
Marking filters as optional Open

enhancement

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

JuliaIO/JLD2.jl#677 · 1 comment · Opened Sep 8, 2025
Review use of `unsafe_wrap` Open

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

JuliaIO/JLD2.jl#676 · 3 comments · Opened Sep 8, 2025
Add support for Blosc2 compression filter Open

enhancement upstream

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

JuliaIO/JLD2.jl#652 · Opened Jul 8, 2025
`type does not exist in workspace; reconstructing ...` when loading interpolant from scratchspace new on 1.11 vs. 1.10 Open

solved upstream

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

JuliaIO/JLD2.jl#610 · 10 comments · Opened Oct 19, 2024
Memory leak for large files Open

needs steps to reproduce

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

JuliaIO/JLD2.jl#605 · 5 comments · Opened Sep 26, 2024
Out of disk space throws generic Bus Error Open

enhancement help wanted

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

JuliaIO/JLD2.jl#507 · 3 comments · Opened Nov 20, 2023
Serialization to an already open IOStream Open

enhancement help wanted

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

JuliaIO/JLD2.jl#304 · 9 comments · Opened Apr 28, 2021
Bus error on version 0.2.3 Open

needs steps to reproduce

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

JuliaIO/JLD2.jl#246 · 19 comments · Opened Oct 10, 2020
Roadmap to 1.0 Open

help wanted question

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

JuliaIO/JLD2.jl#162 · 9 comments · Opened Nov 20, 2019

JuliaIO/JLD2.jl

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