Slack for Fedora, Stacktrace - 2015 Oct 26

$ slack
[3492:1026/174440:ERROR:browser_main_loop.cc(189)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on.
A JavaScript error occurred in the main process
Uncaught Exception:
Error: libXss.so.1: cannot open shared object file: No such file or directory
    at Error (native)
    at Object.module.(anonymous function) (ATOM_SHELL_ASAR.js:137:20)
    at Object.module.(anonymous function) [as .node] (ATOM_SHELL_ASAR.js:148:18)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at bindings (/usr/share/slack/resources/app.asar/node_modules/bindings/bindings.js:76:44)
    at Object.<anonymous> (/usr/share/slack/resources/app.asar/node_modules/@paulcbetts/system-idle-time/addon.js:1:116)
    at Module._compile (module.js:434:26)
    at ReadOnlyCompiler.loadFile (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:210:23)
    at Object.value [as .js] (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:251:26)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at Object.<anonymous> (/usr/share/slack/resources/app.asar/src/native-interop.js:29:33)
    at Module._compile (module.js:434:26)
    at ReadOnlyCompiler.loadFile (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:237:21)
    at Object.value [as .js] (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:251:26)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at Object.<anonymous> (/usr/share/slack/resources/app.asar/src/browser/main.js:158:16)
    at Module._compile (module.js:434:26)
    at ReadOnlyCompiler.loadFile (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:237:21)
    at Object.value [as .js] (/usr/share/slack/resources/app.asar/node_modules/electron-compile-cache/lib/compile-cache.js:251:26)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at Object.<anonymous> (/usr/share/slack/resources/app.asar/src/browser/es6-init.js:14:1)
    at Module._compile (module.js:434:26)
    at Object.Module._extensions..js (module.js:452:10)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Object.<anonymous> (/usr/share/slack/resources/atom.asar/browser/lib/init.js:113:10)
    at Object.<anonymous> (/usr/share/slack/resources/atom.asar/browser/lib/init.js:115:4)
    at Module._compile (module.js:434:26)
    at Object.Module._extensions..js (module.js:452:10)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Function.Module.runMain (module.js:475:10)
    at startup (node.js:129:18)
    at node.js:981:3