# HyperFrames v0.6.88 Released on 2026-06-09. Fixes a regression where Studio's element stamping code ran during production renders, causing sub-composition elements to become incorrectly visible. ## Fixes - **Core:** Guard element stamping to iframe-only (Studio preview) ([192417b7](https://github.com/heygen-com/hyperframes/commit/192417b7cd7384c2001b2be926246260bd728367)) ## Full changelog https://github.com/heygen-com/hyperframes/compare/v0.6.85...v0.6.88