Any time there is a hotfix patch applied to the game, it seems to remove credit for those who played during the week, unless they play after the patch, but before the next matchup.
https://forum-en.gw2archive.eu/forum/wuv/wuv/Bonus-Chests
As such, I wasn’t able to get into wvw today, and did not get my bonus chests from this last week.