>>> My Info: Win7_64, Nightly 49, 32bit, ID 20160522030240 STR: 1. Open data:text/html,<script src="https://cdn.onthe.io/io.js/26sdov5axQhN"></script> 2. Open debugger. Make sure there're at least 2 scripts. Otherwise close and reopen devtools 3. Make sure that script "26sdov5axQhN" is selected. 4. Switch to another script (which is broken) and back AR: Source of script "26sdov5axQhN" is unavailable. It shows the same error as the broken script ER: Source should be visible This is regression from bug 1200798. Regression range: > https://hg.mozilla.org/integration/fx-team/pushloghtml?fromchange=15522bc2931a52ec435f22e233f747264b90f647&tochange=0e47cb06470145725732f0f362c46048969126d8
fix-optional unless it becomes P2.
closing as it is not an issue in the new debugger.