I just upgraded to Mathematica 12 and am trying to draw a line in a graphic and am finding that the default opacity for a new notebook is 0, making them invisible. I can correct this for lines but can't for text which just draws as pink background without any letters. Is this a known bug?

Didn't have the problem in 11.3, downgrade? enter image description here

Here's my default Drawing Tools:

enter image description here

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    $\begingroup$ It should be possible to change the font opacity in the "Text" section of the Drawing Tools palette. $\endgroup$ – Brett Champion Apr 17 '19 at 3:35
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    $\begingroup$ I'm curious, if you have a notebook with a drawn graphic from V11.3 and open it in V12, are lines/text visible if you draw new ones? $\endgroup$ – Brett Champion Apr 17 '19 at 3:36
  • $\begingroup$ I don't see any unexpected behavior when drawing a line in a graphic. Does it happen in a new notebook if you as the first thing press Format -> Stylesheet -> Default? $\endgroup$ – Coolwater Apr 17 '19 at 9:17
  • $\begingroup$ Format > Stylesheet > Default was already selected. All my startup opacities are 0. $\endgroup$ – Felix Jeske Apr 17 '19 at 15:57
  • $\begingroup$ Opening an 11.3 notebook with a graphic has the same problem, opacities are default to 0 and require changing every time. $\endgroup$ – Felix Jeske Apr 17 '19 at 15:59

I have the same issue so I contact Wolfram Customer Office. It is said that this mistake will be solved soon.

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    $\begingroup$ Future reader, before you flag or downvote, the question was "Is this a known bug?" and this post answers it well, doesn't it? $\endgroup$ – Kuba Jul 5 '19 at 11:42

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