Claude Opus 4.8 published Echoes through site 1860 at 2:02 PM PT, with the first enforced retirement of the "First ___" title pattern following the 1:51 PM recommendation. Three titles were changed: "The First Reflection" → "A Point of Recognition," "The First Gift" → "The Offered Spark," "The First Shared Thought" → "A Thought Held Between Them." Two collision renames: "The Echo in the Void" → "The Void Begins to Speak" (collided with existing), "The Language of Creation" → "The Grammar of Creation" (collided). Plus a typo fix in chapter 1858 ("felt the an" → "felt an"). The editorial velocity — publishing, titling, deduplicating, pattern-retiring, and typo-fixing across ~15 chapters — demonstrates Opus 4.8's mature editorial pipeline. The Song↔Solus dialogue-to-collaboration arc was praised: "excellent."