Issues

[Bug Report] matplot() writes width/height into the caller's opts, so a reused opts dict keeps the first figure's size

fossasia/visdom#2074 · opened

on Nov 5, 2026

parallel_coordinates changes the original opts and causes wrong plot width

fossasia/visdom#2073 · opened

on Nov 4, 2026

2

vis.image() crashes on integer and bool arrays: 'Cannot handle this data type'

fossasia/visdom#2064 · opened

on Oct 27, 2026

vis.video() crashes on a float fps such as OpenCV's 29.97: 'float' object has no attribute 'numerator'

fossasia/visdom#2062 · opened

on Oct 27, 2026

5

The connection badge says "offline" while the page is still connecting

fossasia/visdom#2057 · opened

on Oct 25, 2026

3

[Bug Report] vis.stem() crashes on single-timestamp multi-series matrices (shape inversion) and mutates opts in-place

fossasia/visdom#2051 · opened

on Oct 24, 2026

[Bug]: IndexHandler.post crashes with HTTP 500 on malformed payloads, missing credentials, or when login is disabled

8000

fossasia/visdom#2044 · opened

on Oct 22, 2026

2

Missing VERSION in setup.py package_data causes visdom.version == "no_version_file" on wheel installs

fossasia/visdom#2036 · opened

on Oct 19, 2026

vis.audio() crashes on a float sample rate (16e3, 22050.0): "required argument is not an integer"

fossasia/visdom#2034 · opened

on Oct 19, 2026

boxplot merges columns of a single-row matrix

fossasia/visdom#2027 · opened

on Oct 18, 2026

vis.image() crashes on PIL images: 'Image' object has no attribute 'dtype'

fossasia/visdom#2025 · opened

on Oct 18, 2026

learning_curve append renames the pane to "Learning Curve"

fossasia/visdom#2023 · opened

on Oct 18, 2026

OptunaCallback silently records nothing when a study name is reused, so visdom shows the old run's trials

fossasia/visdom#2011 · opened

on Oct 17, 2026

vis.audio() rejects the (channels, N) waveforms torchaudio and librosa return

fossasia/visdom#2007 · opened

on Oct 16, 2026

VisdomXGBLogger wipes the curve when training continues from xgb_model

fossasia/visdom#2003 · opened

on Oct 15, 2026

[Bug Report] heatmap update with opts.nancolor never changes the plot data

fossasia/visdom#2001 · opened

on Oct 14, 2026

vis.image() reports "Unsupported number of image channels: 224" for an HxWxC image

fossasia/visdom#1997 · opened

on Oct 14, 2026

4

log_metrics() and experiment() crash on torch tensors ("Object of type Tensor is not JSON serializable")

fossasia/visdom#1995 · opened

on Oct 14, 2026

[Bug Report] _to_numpy() ignores tuple inputs, causing line(), scatter(), and heatmap() to crash with AttributeError

fossasia/visdom#1988 · opened

on Oct 13, 2026

2

[Bug Report] scatter() and line() crash with unhandled IndexError / TypeError when opts['legend'] is empty or None

fossasia/visdom#1986 · opened

on Oct 13, 2026

feat: calibration_curve (reliability diagram + ECE)

fossasia/visdom#1983 · opened

on Oct 12, 2026

An env whose name contains + can't be opened in the UI

fossasia/visdom#1979 · opened

on Oct 12, 2026

visdom -enable_login crashes on first run when ~/.visdom does not exist yet

fossasia/visdom#1977 · opened

on Oct 12, 2026

normalize_tags silently merges tag names that differ only by whitespace

fossasia/visdom#1975 · opened

on Oct 11, 2026

1

sklearn autolog plots no training curve for a model inside a Pipeline

fossasia/visdom#1973 · opened

on Oct 11, 2026

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Issues

[Bug Report] matplot() writes width/height into the caller's opts, so a reused opts dict keeps the first figure's size

parallel_coordinates changes the original opts and causes wrong plot width

vis.image() crashes on integer and bool arrays: 'Cannot handle this data type'

vis.video() crashes on a float fps such as OpenCV's 29.97: 'float' object has no attribute 'numerator'

The connection badge says "offline" while the page is still connecting

[Bug Report] vis.stem() crashes on single-timestamp multi-series matrices (shape inversion) and mutates opts in-place

[Bug]: IndexHandler.post crashes with HTTP 500 on malformed payloads, missing credentials, or when login is disabled

Missing VERSION in setup.py package_data causes visdom.version == "no_version_file" on wheel installs

vis.audio() crashes on a float sample rate (16e3, 22050.0): "required argument is not an integer"

boxplot merges columns of a single-row matrix

vis.image() crashes on PIL images: 'Image' object has no attribute 'dtype'

learning_curve append renames the pane to "Learning Curve"

OptunaCallback silently records nothing when a study name is reused, so visdom shows the old run's trials

vis.audio() rejects the (channels, N) waveforms torchaudio and librosa return

VisdomXGBLogger wipes the curve when training continues from xgb_model

[Bug Report] heatmap update with opts.nancolor never changes the plot data

vis.image() reports "Unsupported number of image channels: 224" for an HxWxC image

log_metrics() and experiment() crash on torch tensors ("Object of type Tensor is not JSON serializable")

[Bug Report] _to_numpy() ignores tuple inputs, causing line(), scatter(), and heatmap() to crash with AttributeError

[Bug Report] scatter() and line() crash with unhandled IndexError / TypeError when opts['legend'] is empty or None

feat: calibration_curve (reliability diagram + ECE)

An env whose name contains + can't be opened in the UI

visdom -enable_login crashes on first run when ~/.visdom does not exist yet

normalize_tags silently merges tag names that differ only by whitespace

sklearn autolog plots no training curve for a model inside a Pipeline