Documentation: http://www.chartjs.org/docs/2.7.2/

Enhancements

• #4891 Relax dependencies versions. Thanks @jsg2021
• #4923 Reset only when animating (optimization)
• #4994 Equally sized bars for bar charts
• #5062 Improve point.xRange and point.yRange performance. Thanks @fanthos
• #5076 Prevent double ticks array reverse for logarithmic scale (optimization). Thanks @jcopperfield
• #5095 Better default tooltip label format in the time scale
• #5240 Support multiple font colors for radial chart labels. Thanks @flaurida

Issues Fixed

• #3998 Avoid tooltip truncation. Thanks @kaidohallik
• #4198 Fixed updating scale options. Thanks @xg-wang
• #4874 Fixed setting canvas dimensions. Thanks @andersponders
• #4913 Fixed log scale when value is 0. Thanks @jcopperfield
• #4937 Fixed non-adjacent stacked groups. Thanks @jcopperfield
• #4942 Fixed y-axis labels partially hidden. Thanks @jcopperfield
• #4943 Round values in linear tick generator. Thanks @jcopperfield
• #4944 Fixed bumpy line on smooth dataset. Thanks @jcopperfield
• #4959 Fixed out of memory error when all data points are 0. Thanks @jcopperfield
• #4959 Fixed unresponsive bubble chart. Thanks @jcopperfield
• #5005 Fixed tooltip changing while animating. Thanks @jcopperfield
• #5041 Fixed infinite loop due to insufficient bounds checking. Thanks @jcopperfield
• #5045 Use time.unit option to create default min/max for empty chart. Thanks @jcopperfield
• #5088 Re-expose Chart.Ticks.formatters
• #5144 Fixed updating plugin options
• #5165 Treat negative values in doughnut charts as positive
• #5178 Don't draw tick across axis/border. Thanks @jhaenchen
• #5248 Fix label vertical alignment on vertical scales. Thanks @MPierre9
• #5275 Improve polyfill function of log10 to return whole powers of 10. Thanks @jcopperfield

Documentation

• #4914 Fixed samples titles. Thanks @aspaldiko
• #4921 Add link to chartjs-plugin-waterfall. Thanks @MartinDawson
• #4930 Remove extra space. Thanks @MartinDawson
• #4979 Fixed link to time axis documentation in bar chart
• #4984 Link to Ember/Chart.js integration. Thanks @jpsirois
• #5006 Link to Angular2+ libraries (1 & 2). Thanks @realshaft
• #5010 Fixed typos and broken links. Thanks @beiz23
• #5094 Add note about legendCallback. Thanks @cameroncf
• #5166 Improve custom tooltip docs and samples
• #5167 Add docs on how to resize charts manually for printing
• #5168 Add example on how to use the tooltip label callback
• #5169 Fixed error in polar area and doughnut chart docs
• #5173 Better variable name in API snippet. Thanks @jonquach
• #5225 Add Charba GWT integration to extensions.md. Thanks @stockiNail
• #5227 Remove trailing spaces
• #5256 Improve title of GitBook pages. Thanks @wmzhong
• #5274 Make both README.md and installation.md clearer. Thanks @wla80

Development

• #4699 Suppress coveralls errors in forks. Thanks @andig
• #4738 Upgrade to ESLint 4
• #5053 Update license year and copyright holders
• #5112 Use the Chart.js shared ESLint config
• #5113 Make Chart.layout(Service) importable
• #5114 Make Chart.plugins importable
• #5118 Rename Chart.layout to Chart.layouts
• #5138 Ignore package-lock.json
• #5143 Log gulp error. Thanks @loicbourgois
• #5150 Test for showLines in scatter chart. Thanks @loicbourgois
• #5195 Setup HTML and JS linters for samples. Thanks @loicbourgois
• #5217 Fix Slack invitation link

More details in the release PR: #5145