<div dir="ltr"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" id="gmail-docs-internal-guid-5301b0cb-7fff-691d-649e-f4f2a24242f1"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">(Apologies to those of you who are subscribed to both dev-developer-tools and firefox-dev, and receiving this email twice).<br><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" id="gmail-docs-internal-guid-5301b0cb-7fff-691d-649e-f4f2a24242f1"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">TL;DR Due to maintenance costs, and lack of usage, the DevTools team is planning to unship the Canvas Debugger, Web Audio Editor, and Shader Editor panels. If you use any of these and have concerns about this, please let us know.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">----</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Why are we thinking about unshipping? Our telemetry reports tell us that these panels are very infrequently opened: they are only opened in 0.02% of cases when the devtools are active, compared to a panel like the inspector, which is opened about 70% of the time. In comparison to this usage data, they’re very costly to maintain. This has become more and more clear as we do DevTools wide refactoring to improve stability and performance. These panels require a lot of work, sometimes up to 20% of development time.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">But since numbers do not tell the whole story, we want to get feedback on how these panels are being used before we move forward: How are these panels helping you? This way we can plan migration paths for critical features. We have prepared a </span><a href="https://docs.google.com/forms/d/e/1FAIpQLSeirrUhXDPGkDwq_D0hD0PQP4HVtbI00aGj25WE2kye5Fs7-g/viewform" style="text-decoration:none"><span style="font-size:11pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">survey</span></a><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"> to get more information. </span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br class="gmail-kix-line-break"></span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br class="gmail-kix-line-break"></span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">If you want to find out more about each of these panels, take a look at the documentation:</span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br class="gmail-kix-line-break"></span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br class="gmail-kix-line-break"></span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">* Canvas Debugger: does not have documentation</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">* Shader Editor: <a href="https://developer.mozilla.org/en-US/docs/Tools/Shader_Editor">https://developer.mozilla.org/en-US/docs/Tools/Shader_Editor</a></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">* Web Audio Editor: <a href="https://developer.mozilla.org/en-US/docs/Tools/Web_Audio_Editor">https://developer.mozilla.org/en-US/docs/Tools/Web_Audio_Editor</a><br></span></p><br></div>