Download and run the AppImage or instance the snap package and you get the following exception in the console:
A JavaScript error occurred in the main process
Uncaught Exception:
Error: EROFS: read-only file system, mkdir '/tmp/.mount_Tiddly0GVvKP/logs/'
at Object.mkdirSync (fs.js:823:3)
at /tmp/.mount_Tiddly0GVvKP/resources/app.asar/node_modules/file-stream-rotator/FileStreamRotator.js:654:20
at Array.reduce (<anonymous>)
at mkDirForFile (/tmp/.mount_Tiddly0GVvKP/resources/app.asar/node_modules/file-stream-rotator/FileStreamRotator.js:642:27)
at Object.FileStreamRotator.getStream (/tmp/.mount_Tiddly0GVvKP/resources/app.asar/node_modules/file-stream-rotator/FileStreamRotator.js:519:5)
at new DailyRotateFile (/tmp/.mount_Tiddly0GVvKP/resources/app.asar/node_modules/winston-daily-rotate-file/daily-rotate-file.js:80:57)
at Object.<anonymous> (/tmp/.mount_Tiddly0GVvKP/resources/app.asar/build/libs/log/index.js:10:5)
at Module._compile (internal/modules/cjs/loader.js:967:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1004:10)
at Module.load (internal/modules/cjs/loader.js:815:32)