Change log

Timestamped Edits

Visible notes for meaningful product, model, and data changes. Small copy and style fixes may be grouped when they ship together.

Methodology and discoverability pass

Expanded the market data window to 1871-2024, made contiguous historical sequences the default model, kept randomized-year sampling as an explicit option, added the reader methodology section, improved SEO metadata, and tightened AI analysis rendering/proxy guardrails.

Mobile, tax, and income-source improvements

Improved the mobile header, added bracket-based tax modeling, added Social Security and other retirement income sources, and fixed share URL behavior.