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I've made some changes to the embed code and videos appear to be embedding again on Chrome and Edge for me so I believe is issue is fixed. Please let me know if the issue is resolved on your end.
I'll look into this. It does seem to be an issue with Chrome and Edge browsers (from my tests so far). Firefox is unaffected from what I've seen.
The colors should be the same. While different backgrounds may give it the appearance of being a different shade of green, all instances should be the same color. This I'll look into. That's an odd bug.
I removed the few instances that the + symbol still appears.If there are any other pages where it is still present please alert me. However I will not be removing the negative symbol. The rating system is made to allow for users to potentially have negative ratings; i.e. ratings under zero. While the + isn't needed when you are in the positive, the - symbol is needed to designate that a user currently has a negative number. The color helps but just having a red number that says 10 doesn't fully communicate that the user's rating is actually at -10.
So there are still a few problems with disabling double posts in the RP Arena completely and according to the developer of the Double Post Merge add-on we have, this is a known issue with the add-on. In the meantime it is now setup so that any post that is at least 350 characters in length will not be merged to an earlier post. This amount can be adjusted within reason, but I do feel it is a fair number to hit to prevent posts being merged. I am marking this thread as implemented as a solution has been reached for the time being.
This has now been fixed.