A once-overlooked block of unicode that’s invisible to humans is gaining ever wider use.
Daily Unicode-tag signature hits on finance-themed sender domains, log scale, measured every day from February 9 through June 18, 2026. Credit: Microsoft
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I have this "detect non-ascii" mode on on my forge and besides that it goes nuts every time a bot writes a comment, it's nice when looking at 3rd party code. Unfortunately, it goes off on their bots too - around 80% of libs I reviewed the past week.