15. v0.8.10 — Scroll-back crash fix

Released 2026-07-11. Fixes a crash where scrolling back to load older bars could blank the entire chart view. Follows v0.8.9.

Fixed

• The chart no longer crashes when scrolling back to load more history. With certain Pine indicators active (line plots that begin after a warm-up gap, e.g. a Volatility Trail), scrolling left to load older bars while the crosshair hovered the chart could throw Value is null and replace the whole view with the "could not render this view" error screen. The root cause is an open upstream bug in the charting library (lightweight-charts#2044): when several series are updated as the time scale shifts, an earlier series can keep a stale index mapping, and the crosshair recalculation that runs during a data update then resolves to a missing point. The indicator renderer now isolates each series' chart update, so a transient library error during a scroll-back load can't escape and take down the app — the indicator's data is applied normally and only that frame's crosshair recalculation is skipped, self-healing on the next pointer move.

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