Version History

For links to download each release, see the Downloads page.

🔗v2.2.1

2023-02-16

Future incompatibilities

  • window.smoothPlotter will not be set by extras/smooth-plotter.js any more RSN

New features

  • Permit initialising with [] as “no data yet” indicator (#597)
  • The modularisation of the test setup also allows stable access to exported functions (e.g. Dygraph._require('dygraphs/src/dygraph-utils.js').numberValueFormatter) which makes writing one’s own value formatters easier (as usual, proceed with care, exports with an underscore are internal); see <https://dygraphs.com/tests/exported-symbols.html> for the exposed surface
  • Provide Dygraph.onDOMready(cb) as lightweight jQuery(cb)/… alternative, to keep the demos/tests self-contained

Bugfixes

  • Fix synchroniser not calling user’s drawCallback when blocked (#953) plus do not redraw unnecessarily
  • Documentation fixes and improvements including self-checks where possible
  • Fix missing legend for x == -1 (#1002)
  • Allow ES6-importing the extras (#848) (#989) (#1009)
  • Fix broken zoom also in the drawing test (same as #611/#953)
  • Resetting panEdgeFraction now works
  • Fix tests/unboxed-spark regression caused by PR #936
  • Synchroniser doesn’t force x axis range if unzoomed (#956)

Other user-visible changes

  • Fix issue #611 in the drawing demo gallery (#953)
  • jq is now also required to build
  • Fix typos, wordings, apostrophes, etc.
  • Export pickDateTickGranularity so overriding dateTicker is easier
  • Error bars are now properly called high/low bands (#1004), but the options stay the same for compatibility
  • Document annotations xval for Date better (#970)
  • Document more strongly that series labels must be unique (#960)
  • Remove references to nōn-existing yAxisLabelWidth option
  • Fix jsFiddle links from gallery

Internal refactors/fixes

  • Shrink tests.js source map and make its build reproducible on Debian
  • tests/resizable.html exposes the graph object, for quick F12 in-browser use
  • Generate versions.html and release notes from new top-level CHANGES.md
  • Modularise dygraphs/tests setup so we can now also test the minified prod css/js (#1028)
  • Generate stable orig tarballs for releases ourselves (we still use the NPM ones for binary tarballs)
  • Less fragility with arrow function this rebinding check
🔗v2.2.0

2023-01-25

This is the first “full” release after v2.1.0 with the following news:

Breaking changes

  • Stop parsing the deprecated 8-digit ‘YYYYMMDD’ date format (#984) (#985) (#1023)
  • GWT “support” is no longer pertinent as we cannot recompile the binary JAR; the latter is still available from the website for now

New features

  • Add option to colour the range selector’s veil (#856)
  • Add strokeStyle option to crosshair plugin (#955)
  • Support DocumentFragment as a result from a legendFormatter function (#958) (#959)
  • Add data index to legendFormatter data (#965)
  • Implement #RRGGBB/`#RRGGBBAA` hex colour parsing
  • Make animateBackgroundFade into an option
  • Add new resizable option using ResizeObserver on maindiv + CSS
  • Add offset config for legend div in follow mode (#946)

Bugfixes

  • Fix duplicate annotation when having duplicate points (#826)
  • Make sure that canvasx and canvasy properties are initialised from the start (#896)
  • Fix issue #781 when the y range is zero (#909)
  • Synchroniser now calls highlightCallback (#935)
  • Fix drawAxes to allow one of two y axes to be drawn (#936)
  • LEGEND: Don’t show y if value is undefined (#853) (#947)
  • Fixed “Cannot read property 'length' of undefined” issue (#962) (#963)
  • Two fixes in the calculations of pinch-zoom (#990)
  • Fix for double paint of grid of x-axis (#1007)
  • Fix number of days in a year (#1012)
  • Fix labelsKMB and labelsKMG2 (#571) (#994) (#1022)
  • Fix label position in onmouseover legend mode was never updated
  • Fix several cases of mispositioning/missizing by enabling elements before using offsetWidth etc.
  • Make it possible to use logscale (and sigma, wilsonInterval) per-axis (#986)

Other user-visible changes

  • Documentation is now shipped (mostly self-contained) in the release
  • Tests that use Google JSAPI are now marked ⚠ and no other external content is loaded anywhere
  • Calculate legend positioning relative to closest data point (#1013)
  • Add missing documentation about annotations xval option (#992)
  • source mapping URLs are now correct (#1027)
  • Ship ES5 versions of extras (#952), use them in examples
  • Fix documentation/website HTML/CSS/JS bugs (#979) (#1008)
  • On the website, external links are now clearly labelled
  • The documentation and website now have browsable subdirectories by manually generated directory index files
  • Link to UNPKG as CDN as well (to keep neutral; use of CDNs in websites violates the EU-GDPR)
  • Most issues with right-to-left languages should now be fixed (#1019)
  • Document that Dygraph will misbehave if the main div has padding

Internal refactors/fixes

  • Use link href, not link src (#904)
  • Add missing semicolon in externs (#964)
  • Large build system improvements relying in large parts on Debian and GHA
  • Full licence review as part of uploading to Debian (#1024) (#1025) (#1029); drop embedded code copies
  • Fix some JSDoc warnings
  • Update to contemporary versions of Python 3, jQuery, Babel, etc.
  • Add copies of design documents that were previously only available on Google Docs or part of GitHub issues to offline documentation
  • Nuke useless semicola after function declaration bodies
  • Fix closure type annotation in hairlines.js
  • Remove already commented-out obsolete, or redundant, code
🔗v2.1.0

2017-12-08

New features

  • Double click event can be captured and cancelled by plugins (#840)
  • setAnnotations’ second parameter is now an optional boolean (#851)
  • Add pixelRatio option, which may allow improved performance on smaller screens by controlling the canvas’ pixel ratio (#877)
  • x axis label and tick logic can now operate at millisecond-level granularity (#893)

Bug fixes

  • Repair a bug in “Custom interaction models” demo (#825)

Internal refactors/fixes

  • Fix various spelling mistakes (#844)
  • Fix a couple of type signatures in dygraph-externs.js (#859)
🔗v2.0.0

2017-01-11

Breaking changes

  • JS files were renamed to dygraph.js and dygraph.min.js.
  • There’s now a dygraph.css file that you must include.
  • Dropped support for old IE and other non-standard browsers. dygraphs works in IE11. I’m not sure about IE9 and IE10.
  • Double-click to unzoom zooms all the way out (and ignores valueRange).
  • Dropped old-style per-axis/per-series options.

New features

  • Add a legendFormatter option (#683)
  • this is the Dygraph object in all callbacks
  • pass through (row, col) to valueFormatter
  • Option to not sync range in extras/synchronizer.js
  • Additional options for styling the range selector
  • getRowForX method
  • setVisibility can set the visibility of multiple series at once.
  • crosshair plugin extra
  • rebase/straw broom plugin (#590)
  • highlightSeriesBackgroundColor option
  • yAxisExtremes() method.
  • Passing strings in native format now throws. (Previously it kinda sorta worked.)

Bug fixes

  • Selections are always cleared with animations
  • synchronizer calls previously-set callbacks
  • synchronizer only syncs when graphs are ready
  • Reset on synchronized graphs failed (#524)
  • fix to improve synchronizer performance (#658)
  • binary search bug fix in synchronizer
  • Fix range selection when chart is located inside fullscreen element (#576)
  • fillAlpha can be set per-series when fillGraph is set.
  • xRangePad was ignored on unzoom (#657)
  • Allow selected points where canvas-y coordinate is 0 (#692)
  • Using valueRange with logscale and yRangePad has unexpected results (#661)
  • With drawGapEdgePoints, unwanted point often drawn at beginning of chart (#745)

Other user-visible changes

  • legend: follow positioning changes

Internal refactors

  • Code moved into a src/ directory
  • Tests use Mocha instead of jstd
  • dygraphs is split into ES6 modules and uses some ES6 features (e.g. arrows and destructuring).
  • dygraphs is built using Babel and browserify
  • Code coverage is tracked continuously
  • Bundle size is now tracked continuously
🔗v1.1.1

2015-06-01

  • Set this to the dygraph in all callbacks.
  • Minor bug fixes.
🔗v1.1.0

2014-12-03

Highlights

  • dygraphs is now “retina” compatible.
  • Dramatically improved performance for filled charts (i.e. fillGraph)
  • More sensible date ticks: “Jan 08” → “Jan 2008”, “29Jan” → “29 Jan”
  • Using a non-existent option now throws (with dygraph-combined-dev.js)
  • x-axis log scales
  • The labelsUTC option forces UTC formatting for all labels.
  • The new DataHandler system allows for more flexibility in data loading.
  • dygraphs has shrunk, because we moved some stuff into “extras” (133 KiB → 122 KiB)

This will be the last major release to support browsers without a native <canvas> implementation. See blog post for more details.

🔗v1.0.1

2013-08-29

Minor bug fixes and updates to web site.

🔗v1.0.0

2013-08-14

Initial Release. See blog post.

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