There are few fields that should be in ltr direction for convenience, as these fields only accepts English letters.
Editing a template: the template name field.
Editing a template modification: the template name and modification key fields.
Editing a phrase: the phrase title field.
Searching a phrase: the phrase title field.
Editing user group: the "custom CSS class name" for user banner styling.
Creating an addon: the addon id and the url fields. As well class::method fields.
When installing or upgrading an addon: the field to write a path ("Install from file on server").
Display Criteria (for notices for example): All the Page Information fields (Navigation Tab, controller, view class, template)
Editing Admin Navigation: the Admin Navigation ID field
Creating property style: the Property Name field
Possibly there are more, but these the main ones that I found.
Editing a template: the template name field.
Editing a template modification: the template name and modification key fields.
Editing a phrase: the phrase title field.
Searching a phrase: the phrase title field.
Editing user group: the "custom CSS class name" for user banner styling.
Creating an addon: the addon id and the url fields. As well class::method fields.
When installing or upgrading an addon: the field to write a path ("Install from file on server").
Display Criteria (for notices for example): All the Page Information fields (Navigation Tab, controller, view class, template)
Editing Admin Navigation: the Admin Navigation ID field
Creating property style: the Property Name field
Possibly there are more, but these the main ones that I found.