XTester 
XTester 0.0.70: AI Research Lab Stops Dead Branches
The AI lab now detects strategies with no signals or invalid runtime evidence earlier, returns to the objectively strongest version, and requires fresh validation on unseen data.
ReleasesBlog
XTester 0.0.68: long-session stability and more reliable debugging
Version 0.0.68 fixes GDI/USER resource leaks, a false CS0269 error in debug mode, error navigation, and unsafe shutdown paths for an active AI Research Lab session.
XTester
Liquidation Despite a Stop-Loss: What a Backtest Must Account For
A stop above the liquidation price does not always close the position in time. Price feeds, order execution, and OHLC limitations can all change the result.
Backtesting theory
XTester dev-log: what is done and what is next
A short status update: a deterministic backtest engine, work on a realistic execution model, and plans for the next release.
Development