Bug ID 517013: CSS minification can on occasion remove necessary whitespace

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP AAM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2

Fixed In:

Opened: Apr 08, 2015
Severity: 3-Major


CSS minification can on occasion remove necessary whitespace. Example of incorrectly minified content: //Comment1 @import url("http://example.com/test.jpeg"); becomes //Comment1@import url("http://example.com/test.jpeg");


CSS minification might remove necessary whitespace.


This occurs when using minification on CSS.


Disable minification on CSS.

Fix Information

Fixed an issue which was causing removal of necessary whitespaces in CSS minification.

Behavior Change