Perplexity change log
Latest brief:
What changed in Perplexity, by date: every Paralax brief about it, each linking its source where one exists.
Dated briefs
Perplexity Citation Change Log: 490 of the Top 500 Domains, Recorded Six Sources Deep
A dated record of what Perplexity cites. Entry one: Perplexity reaches 490 of the 500 most-cited domains, the widest head overlap of any engine measured.
Perplexity's Time Markdown-Ad Block Turns AI Search Trust Into a Publisher Ranking Factor
Perplexity's Time ad block shows AI search trust is becoming source governance.
Primary source: docs.perplexity.ai
Perplexity WANDR Benchmark: Research Agents Still Fail Evidence Depth
Perplexity WANDR shows AI research agents still fail at evidence depth, not just page discovery.
Primary source: research.perplexity.ai
Germany Treats AI Search as Media Infrastructure
Germany's ZAK ruling reframes AI search answers as accountable media surfaces.
Perplexity's Answer Engine Is Now 20 Models, Not One — And It Changes How You Get Cited
Perplexity now routes Deep Research across 20+ models. Your citation is no longer one model's call — it's an orchestration outcome.
Perplexity Search as Code Turns Retrieval Into Agent Infrastructure
Perplexity Search as Code shifts AI search from ranked results to executable retrieval workflows.
Primary source: research.perplexity.ai
CNN's Perplexity Lawsuit Makes AI Search Attribution a Product Risk
CNN's Perplexity suit shows attribution is becoming an AI search product requirement, not a publisher courtesy.
Baseline measurements
Measured citation behavior for this engine, recorded release by release: Perplexity Citation Change Log: 490 of the Top 500 Domains, Recorded Six Sources Deep