@ginkan, consider using the stable version of Opera if you're seeing crashes in developer - they are a lot more expected in the developer version (it's meant for testing, not for using...). I see that additionally you're also using the Beta of macOS High Sierra. Since that has only been available since a few days, expect some bugs there to be worked out before the final release of High Sierra. In short: if you're using beta versions, expect some bumps
The initial crash that was discussed in this thread on MacBook Pros with Touch Bar has since been fixed. If you have another issue, let's start a new thread.