Scroll bar is not visible when opening a .DOCX file. Also missing is the text "Importing document" (see .doc files) or "Loading document" (see .odt or .rtf files).
This inconsistency is there since LO 3.3.X.
*Progress bar* is not visible.
CONFIRMED on libo 4 Version 188.8.131.52.beta1+ (Build ID: 6d4a55bf38a1c470c49f904dbbddf94eb2f6154)
Win7 - 64bits
Implemented as http://cgit.freedesktop.org/libreoffice/core/commit/?id=fdacaab2485fa42648ae96348b9ad6a9e1f49424 on master.