Though I have tried to modify \"font.size\" in classes like \"Label_control\" and \"sidebar_control\" in the Package \"Theme-Default\", the font size of the editor does not
I'm using Sublime Text 3.2.1, a 4k display and a Mac. Tab titles and the sidebar are difficult to read with default ST3 settings. I used the menus Sublime Text -> Preferences -> Settings which opens two files: Preferences.sublime-settings--Default and Preferences.sublime-settings--User.
You can only edit the User file. The Default file is useful for showing what variables you can set. Around line 350 of the Default file are two variables as shown below:
// Magnifies the entire user interface. Sublime Text must be restarted for
// this to take effect.
"ui_scale": 1.0,
// Linux only. Sets the app DPI scale - a decimal number such as 1.0, 1.5,
// 2.0, etc. A value of 0 auto-detects the DPI scale. Sublime Text must be
// restarted for this to take effect.
"dpi_scale": 0,
"dpi_scale": 3.0
did nothing on my Mac "ui_scale": 1.5
worked well. The following is my User file.
{
"dictionary": "Packages/Language - English/en_US.dic",
"font_size": 17,
"ignored_packages":
[
"Vintage"
],
"theme": "Default.sublime-theme",
"ui_scale": 1.5
}