I just fixed a significant bug that appeared in Q2A 1.5.4.
If you have it set to prevent low-rep users creating new tags, then it added an onclick attribute to the ask question button. However, Q2A 1.5.4 also added an event to the same button, creating a major bug where low-rep users could not ask questions.
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April 20, 2021: Q2A 1.8.6 released!