Broken subtitle in OpenGL

Some subtitles are broken and will show up as gibberish. When I am watching a single video, there will be about 1-2 lines that will show up like that. This seems to happen randomly and has been happening since the last VLC update that I have done about a week ago.

Details:

OS: Windows 8.1 64bit
VLC: 3.0.3
GPU: Sapphire Vapor-X Radeon R9 280x 3GB
Reproducibility: Appears to be random. Happens about every 20 minutes.
File: .MKV
Video MPEG-4p10/AVC/h.264
Audio AAC
Sub SubRip/SRT

Edited Aug 07, 2018 by Jean-Baptiste Kempf

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