You can go straight to review articles, which are generally available for free on the arXiv. Or if you want the firehose, you can scan for papers whose abstracts contain words like 'hint', 'anomaly', 'excess', 'discrepancy', and so on [0]. No individual has made a global list across all fields, because this would be a thankless and kind of pointless task; nobody has the time to be interested in every anomaly.

0: https://arxiv.org/search/advanced?advanced=&terms-0-operator...