{"version":"2.1.70","anchor":"rendering-frame-contamination-tracking","canonical_anchor":"rendering-frame-contamination-tracking","heading":"Rendering: Frame Contamination Tracking","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.70\/e\/rendering-frame-contamination-tracking","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.70","markdown":"### Rendering: Frame Contamination Tracking\n\nTerminal rendering now tracks whether the previous frame was \"contaminated\" (had selection overlays or image clears), preventing unnecessary full-screen redraws and reducing flickering in alt-screen mode.\n\n**Evidence**\n\nNew `prevFrameContaminated` property (search for `\"prevFrameContaminated\"`)"}