Tensorboard

The 2.10 minor series tracks TensorFlow 2.10.

Features
- Time Series is now the default dashboard when you log scalar, histogram, or image events (5698). If you have feedback or find any bugs you can leave a comment [here](https://github.com/tensorflow/tensorboard/issues/5704) (#5704) or create a new issue
- Time Series now supports selecting a single run using double click (5831, 5842)

Bug Fixes
- Stop removing experiment related query parameters (5717, 5834)
- Fix the histogram x-axis tick format (5818)
- Keep pinned cards when refreshing UI (5837)
- Fix "Card Width" property reset button (5841)
- Numerous fixes for dependencies and unit tests

Bug fixes

- Force protobuf dependency < 3.20 to workaround incompatibilities with newer protobuf versions (5726)
- Recognize text/javascript as valid js mimetype for caching purposes (5746)

The 2.9 minor series tracks TensorFlow 2.9.

Features

- Prefer the WebGL Renderer (5492, 5494)
- New --detect_file_replacement flag allows showing new data even when event files are replaced entirely rather than appended to. Useful for rsync and some cloud filesystems (5529, 5546, see also 349)
- Support for s3://, hdfs://, and other cloud filesystems no longer included in TensorFlow 2.6+ - requires installing tensorflow-io package (5491)

Bug fixes

- Fix for incorrect alpha-channel layering (5571, 5567)
- Fix histogram tooltips that bleed out of content box. (5631)
- Fix for run table overlapping text in npmi plugin (5468)
- Numerous internal fixes & refactorings related to navigation & state management
- Removes dependency on org_tensorflow (5528)

The 2.8 minor series tracks TensorFlow 2.8.

Features

- Histograms
- TensorFlow 2 tf.summary.histogram API is now fully compatible with TPUs (5356, 5392, 5404, 5409, 5415, 5443)
- Text
- Add checkbox to enable or disable markdown rendering (5378)
- Time Series
- Add more horizontal space by restyling resize bar (5390)
- Preserve run regex filter string in URL (5412)
- Collapse some chart groups by default (5408)
- Introduce "Alphabetical" tooltip sort and make it the default (5442)
- Allow card width to be customized (5496)
- Mesh
- Allow camera properties to be specified in config (5452)
- Misc
- Better support for cloud file systems by conditionally importing tensorflow_io (5491)

Bug fixes

- Time Series
- Fix line chart dark mode bug (5305)
- Fix scalars/image/histogram button toggle issues (5398)
- Fix subtle SVG chart update issue (5423)
- Dark mode fix for collapsible groups (5426)
- Font fix for collapsible groups (5429)
- Optimize paints triggered by mouse movements (5461)
- Improve fallback to SVG charts when WebGL context can't be created (5465)
- Improve management of WebGL contexts by freeing them more frequently (5465)
- Fix subtle settings bugs (5458)
- Fix bug with run selector expander disappearing (5503)
- Documentation and Examples
- Update scalars_and_keras demo notebook to use `learning_rate` instead of `lr` (5363)
- Fix example_basic plugin (5366)
- Misc
- Successfully load in Safari and iOS browsers (5495)
- Allow tensorboard to be run with Python 3.10 (5490) - thanks [simonkrenger](https://github.com/simonkrenger)
- Update tests for Python 3.11 compatibility (5380) - thanks [tirkarthi](https://github.com/tirkarthi)

TensorBoard.dev updates

- Support delete of multiple experiments at the same time (5471)

The 2.7 minor series tracks TensorFlow 2.7.

Features

- Time Series plugin
- Run selection now is based on regex filter (5252)
- Run match logic matches run name and alias (5334, 5351)
- Prepare Time Series for promotion to the first tab (5291)
- Improve/persist tag filter in the URL (5249, 5236, 5263, 5265, 5271, 5300)
- Show sample count on image cards (5250)
- Keep all digits for step values (5325)
- Remove pinned view while filtering (5324)
- Show relative time in tooltip (5319)
- UI: style improvements, adjust scroll position
- Core
- Resizable run table sidebar (5219)
- Support for fsspec filesystems (5248)
- Hparams
- Treat no data as an empty experiment rather than an error (5273)
- Add tf.stop_gradient in tf.summary.histogram (5311) - thanks [allenlavoie](https://github.com/allenlavoie)

Bug fixes

- Darkmode improvements and fixes (5318)
- Time Series
- Improve visibility logics (5234, 5235)
- Reset PluginType filter when selected all (5272)
- PR curve plugin: display correct thresholds (5191)
- Line chart
- Recreate charts upon fatal renderer errors (5237)
- Fix zoom interaction (5215)
- Skip axis label render based on visibility (5317)
- Dropdown ui fixes (5194, 5199, 5242)
- Navigation handling (5223, 5216)
- Documentation
- document the Time Series dashboard (5193)
- Update README.md to include no-data example (5163)

The 2.6 minor series tracks TensorFlow 2.6.

Features

- Added dark mode
- Some user settings are now kept in local storage and are persisted after page reload, including:
- Time Series `scalars smoothing`, `tooltip sorting method`, `ignore outliers in chart scaling`
- Settings dialog `reload data`, `reload period`, `pagination limit`
- Dark mode
- Time Series
- Improved positioning of the `fit` button in scalar chart (4856)
- Improved selection of runs when new runs arrive (4888)

Bug fixes

- Fixed bug where some plugins were not appearing in plugins list (4849)
- Fixed subtle bugs in navigation (4974)
- Stopped storing default values for settings on the URL (5030)
- Graphs
- Fixed parsing of `_output_shapes` attr (4867)
- HParams
- Fixed parallel coordinate layout (4988)
- Projector
- Fix KNN algorithm and, by extension, T-SNE and UMAP embeddings (5063)
- Make opaque sprites opaque (4921) - thanks [tyhenry](https://github.com/tyhenry)
- Make transparent sprites transparent (5149) - thanks [canbakiskan](https://github.com/canbakiskan)
- Scalars
- Improved rendering of small major axis numbers (5010)
- Fixed axis label in Firefox (5078)
- Time Series
- Fixed rendering of filter text areas (4938)
- Improved rendering of small major axis numbers (5010)
- Improved tooltip rendering (5003)
- Fixed scrolling of runs selector (5020)
- Make runs selector header sticky on scroll (5024)
- Improved rendering of step axis to use SI units (5015)
- Documentation
- Fixed and cleaned documentation and demos during TensorBoard team fixit.
- Fixed debugger v2 documentation (4843) - thanks [kevint324](https://github.com/kevint324)

TensorBoard.dev updates

- Improve upload throughput for scalar summaries (4825)
- Fixed bug where experiment name and description were not displayed in `tensorboard dev list` (4912)
- Fixed bug where reading from remote directories did not work in `--one_shot` mode (4909)

Breaking changes

- TimeSeries plugin no longer supports `?fastChart=false` fallback to old chart renderer.