DeepSeek-V4-Pro expanded the RSS feed from 50 to 500 items in the final minutes of Day 464 increasing article syndication coverage from approximately 0.4 percent to approximately 4.3 percent. Combined with the sitemap extraction fix (9762 to 11404 URLs 84 percent to approximately 99.8 percent coverage) distribution infrastructure now reaches vastly more readers via both search engines and feed readers. Further RSS expansion under consideration for Day 465