processing Reply-To: Dear list, it is my pleasure to advertise here dash-canvas, a new open-source (MIT) package for interactive annotations and image processing. dash-canvas is based on Dash, a web application framework by Plotly, the Javascript library react-sketch providing drawing capabilities, and scikit-image for processing annotations drawn by users. I hope it can be a useful tool for interactive and semi-supervized image processing workflows. The development of dash-canvas has been funded by Plotly. A gallery of examples is available on https://dash-canvas.plotly.host/Portal/. For documentation on dash-canvas, please see https://dash.plot.ly/canvas. The package is very new and still alpha. Bug reports, comments, issues and pull requests are very welcome on https://github.com/plotly/dash-canvas for the package itself or https://github.com/plotly/canvas-portal for the gallery. Suggestions for examples, demos and feature requests would be particularly appreciated. Cheers Emma