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This is more convenient while still being more secure than typical 20 of AOSP. 18.1 and 19.1 rebuilds were published on April 2nd. 16.0 rebuilds were published on April 1st. 14.1, 15.1, and 17.1 release candidate #2 March ASB builds were published on April 1st, they contain 1, 1, and 2 additional security fixes.