Fixes on top of the [new features in 2020.2](https://www.psychopy.org/changelog.html#psychopy-2020-2):
- missing resource error in some online experiments, caused by incorrect relative relative paths in Settings>Online>Resources [3285](https://github.com/psychopy/psychopy/issues/3285)
- JavaScript Code Components for Before Experiment is now moved earlier in the script - it needed to be positioned before first function opens [3289](https://github.com/psychopy/psychopy/issues/3289)
- TextBox was missing setBorderColor and setFillColor so these needed code to change dynamically [commit:eb915732d](https://github.com/psychopy/psychopy/commit/eb915732d)
- TextBox was carrying the text from one trial into the next [commit:330f5fa1d](https://github.com/psychopy/psychopy/commit/330f5fa1d)
- Coder FoldAll menu item was having no effect [commit:6d4f66b0d](https://github.com/psychopy/psychopy/commit/6d4f66b0d)
- TextStim opacity can now be set dynamically [1045](https://github.com/psychopy/psychopy/issues/1045)
- Loop OK button was sometimes left disabled if invalid inputs [commit:3a1104f71](https://github.com/psychopy/psychopy/commit/3a1104f71)
- fixed non-uniform probabilities of conditions file row selection suggested in docs [3256](https://github.com/psychopy/psychopy/issues/3256)
- workaround for scipy.optimize import error on windows machines that are using BitLocker [3287](https://github.com/psychopy/psychopy/issues/3287)
- if a TextBox is the only editable thing on the screen then give it focus [3269](https://github.com/psychopy/psychopy/issues/3269)