According to @lorenzonical, the Fractal Bitcoin upgrade proposal will be revised to incorporate feedback and ensure a smoother transition before advancing, signaling that the draft is being reworked prior to any next steps, source: @lorenzonical post on Dec 10, 2025. The author invited additional feedback and directed contributors to the Fractal Bitcoin FIPS issue #2 discussion for ongoing input, source: @lorenzonical post on Dec 10, 2025; Fractal Bitcoin GitHub FIPS issue #2. No implementation date, finalized specification, or activation path was disclosed in the post, indicating the proposal remains in draft and pending revision, source: @lorenzonical post on Dec 10, 2025. For trade planning, the next concrete milestone to monitor is the updated proposal publication on the referenced GitHub thread, which will signal when the revision is ready for review, source: Fractal Bitcoin GitHub FIPS issue #2 linked by the author.