plotly/Kaleido

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Fast static image export for web-based visualization libraries

Stars: 498
Forks: 62
Open beginner issues: 0
Indexed issues: 53
Avg merge: 1d 11h
Merged PRs (30d): 2

Dominant language: Python
License: MIT
Last GitHub push: Sep 3, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

53 issues indexed so far

Deterministic Rendering Challenges Open

enhancement feature P2 size: 5

plotly/Kaleido#470 · 1 comment · 1 assignee · Opened Aug 28, 2026
1.3 serialization regression: `calc_fig` fails on numbers outside 64-bit range Open

bug P1 size: 3

plotly/Kaleido#467 · 1 assignee · Opened Jul 8, 2026
v1.3 serialization regression Open

bug P1 size: 5

Difficulty 3/5 1-2 days Newbie friendliness 62/100

plotly/Kaleido#465 · 6 comments · Opened Jul 5, 2026
[FEATURE]: Embed custom fonts into vector exports (no system install) Open

enhancement P3 size: 3

plotly/Kaleido#464 · 10 comments · 1 assignee · Opened Jun 30, 2026
Kaleido & Streamlit & Chrome Issue Open

enhancement feature P3 size: 5

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

plotly/Kaleido#459 · 1 comment · Opened Jun 8, 2026
GlobalKaleidoServer is not thread-safe Open

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

plotly/Kaleido#444 · 3 comments · Opened Apr 21, 2026
[BUG]: to_image gets stuck very rarely Open

bug

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

plotly/Kaleido#441 · 10 comments · Opened Mar 28, 2026
SVG output isn't ordered, making comparisons across different CI machines impossible... Open

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

plotly/Kaleido#435 · 1 comment · Opened Mar 26, 2026
"Resorting to unclean kill browser." when using fig.write_image() Open

plotly/Kaleido#430 · 9 comments · 2 reactions · 1 assignee · Opened Feb 20, 2026
rasterizing the heatmap layer into a tiny (blurry) bitmap when writing PDF Open

Difficulty 3/5 1-2 days Newbie friendliness 66/100

plotly/Kaleido#426 · 2 comments · 3 reactions · Opened Dec 20, 2025
Remove ORJSON hard dep for 3.14t's sake Open

good first issue

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

plotly/Kaleido#423 · 2 comments · 2 reactions · Opened Dec 11, 2025
If BROWSER_PATH is wrong, should error not hang Open

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

plotly/Kaleido#422 · Opened Dec 9, 2025
Cannot use `write_image` to save 3d figure on jupyter notebook on remote cluster Open

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

plotly/Kaleido#421 · 3 comments · Opened Dec 5, 2025
[BUG] fig.write_image Open

plotly/Kaleido#440 · 2 comments · 1 assignee · Opened Nov 27, 2025
Provide default configuration for air-gapped environments Open

P2

plotly/Kaleido#416 · 4 comments · 1 assignee · Opened Oct 31, 2025
`_next_filename()` can cause unintended OSError for "File name too long" on Fedora/Red Hat Open

bug P2

plotly/Kaleido#409 · 2 comments · 1 reaction · 1 assignee · Opened Sep 23, 2025
v1.1.0 not available on conda Open

feature P2

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

plotly/Kaleido#408 · 1 comment · Opened Sep 22, 2025
Can 0.2.1.post1 be yanked? Open

bug P1

plotly/Kaleido#407 · 5 comments · 2 reactions · 2 assignees · Opened Sep 19, 2025
write_image does not work Plotly 6.3+, Windows 10 (seemingly regardless of kaleido version) Open

bug P1 stale

plotly/Kaleido#402 · 13 comments · 2 reactions · 1 assignee · Opened Sep 5, 2025
Export to png ; Export to html/png requires explicit range specified for dates (pd.DateTimeIndex) Open

bug P2

plotly/Kaleido#396 · 1 assignee · Opened Aug 23, 2025
Gantt chart export with kaleido v1.0.0 shows 1970 epoch Open

bug P2

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

plotly/Kaleido#392 · 3 comments · 5 reactions · Opened Aug 16, 2025
Kaleido not working on docker Open

needs information

plotly/Kaleido#386 · 1 comment · 5 reactions · 1 assignee · Opened Aug 14, 2025
Kaleido not starting Open

needs information P1

plotly/Kaleido#385 · 2 comments · 1 assignee · Opened Aug 13, 2025
Clarify what is a valid template (maybe clarify error) Open

documentation internal needs discussion P3

plotly/Kaleido#381 · 2 comments · 1 assignee · Opened Aug 11, 2025
Kaleido v1+ doesn't work in docker Open

bug P2

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

plotly/Kaleido#379 · 12 comments · Opened Aug 10, 2025
`write_image` doesn't seem to respect `width/height` Open

bug P2

plotly/Kaleido#378 · 4 comments · 2 reactions · 1 assignee · Opened Aug 10, 2025
conda install -c conda-forge plotly python-kaleido Open

bug P3

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

plotly/Kaleido#359 · 4 comments · 3 reactions · Opened Jul 22, 2025
Cannot run my custome Kaleido Open

bug P1

plotly/Kaleido#351 · 2 comments · 1 assignee · Opened Jul 3, 2025
Make it clearer how to set page-level options Open

bug documentation P1

plotly/Kaleido#349 · 1 assignee · Opened Jun 30, 2025
Provide a way to set a `mapboxAccessToken` Open

feature

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

plotly/Kaleido#348 · Opened Jun 30, 2025
Cannot run `plotly_get_chrome` on 3.14 due to inability to install `kaleido` Open

bug

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

plotly/Kaleido#343 · 3 comments · Opened Jun 6, 2025
resolve stability / performance issues related to GPUs Open

P2 performance

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

plotly/Kaleido#341 · 1 comment · Opened Jun 4, 2025
Add BytesIO support Open

P2

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

plotly/Kaleido#334 · Opened May 29, 2025
WARNING Thread(Thread-3 (run)) choreographer.browser_async:browser_async.py:_close()- Resorting to unclean kill browser Open

P2

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

plotly/Kaleido#327 · 18 comments · Opened May 21, 2025
Apple Silicon crash when Kaleido is launched with `--disable-gpu` (macOS 15.4.1, M4 Max) Open

stale

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

plotly/Kaleido#323 · 1 comment · Opened May 11, 2025
Surface with opacity=1.0 and Scatter3d breaks export in Kaleido Open

bug P1 regression

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

plotly/Kaleido#475 · 3 comments · Opened May 10, 2025
Error logs while writing a figure in a PNG file in a dev container Open

bug P1

plotly/Kaleido#413 · 1 comment · 1 assignee · Opened May 7, 2025
Kaleido fails on AWS Lambda - docker Open

bug

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

plotly/Kaleido#313 · 2 comments · Opened Mar 27, 2025
do some pixel-pixel and histograph image tests Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

plotly/Kaleido#310 · Opened Mar 25, 2025
Automate PRs for new releases of plotly.js Open

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

plotly/Kaleido#305 · Opened Mar 25, 2025
sync with conda-forge feedstock when new Kaleido released Open

infrastructure P2

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

plotly/Kaleido#304 · Opened Mar 25, 2025
Ensure kaleido accepts trivial figures Open

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

plotly/Kaleido#298 · 4 comments · Opened Mar 13, 2025
Add improper figure errors to error_log Open

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

plotly/Kaleido#297 · Opened Mar 13, 2025
UNKNOWN watchdog error Open

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

plotly/Kaleido#296 · 1 comment · Opened Mar 13, 2025
Investigate use of asyncio-timeout in dev/testing Open

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

plotly/Kaleido#290 · 1 comment · Opened Mar 4, 2025
JSON serialization error Open

P1

plotly/Kaleido#240 · 2 comments · 2 reactions · 1 assignee · Opened Jan 10, 2025
Kaleido crashes when rendering a plot to an image using Plotly's `to_image()` method using Alpine Linux Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

plotly/Kaleido#239 · 1 comment · 1 reaction · Opened Dec 29, 2024
pio.write_image not working from within flask route Open

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

plotly/Kaleido#238 · Opened Dec 27, 2024
Two pages appear in pdf output Open

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

plotly/Kaleido#235 · Opened Dec 7, 2024
Trying to install version 0.1.0.post1 but not available on Azure App Service Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

plotly/Kaleido#234 · 13 comments · Opened Dec 6, 2024

plotly/Kaleido

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