The arXiv preprint (v1, 28 May 2026) from Hardin et al. uses the Renaissance Simulations—a set of high-resolution zoom-in cosmological runs focused on rare, overdense regions—to generate mock photometry and structural properties for galaxies at z>10. These simulations track baryonic physics including star formation, supernova feedback, and metal enrichment at parsec-scale resolution, producing a sample of hundreds of low-mass halos whose stellar masses span 10^3 to 10^8 solar masses. The work directly compares these objects to the 14 spectroscopically confirmed JWST galaxies at z>10, showing overlap in star-formation rates once the simulated population is extended to lower masses. Half-light radii cluster tightly between 1–10 pc and Sersic indices range from 0 to 4, implying that most systems remain compact and largely disk-like or irregular even as they grow. This fills a critical gap: while JWST surveys such as JADES and CEERS have revealed unexpectedly luminous systems at these redshifts, mainstream coverage rarely connects them to resolved hydrodynamic predictions that can be tested with upcoming NIRCam and MIRI photometry. A key limitation is the simulations' focus on biased regions rather than a representative cosmological volume, potentially overestimating merger-driven growth; additionally, sub-grid recipes for Population III stars and dust attenuation remain uncertain. Cross-referencing with the BlueTides simulation suite (which predicts larger sizes at fixed mass) and recent size measurements from the GLASS-JWST program highlights tension in the compactness predictions, underscoring that Renaissance galaxies may require stronger early feedback to match observed half-mass radii near 0.1 kpc. The paper's strength lies in delivering concrete, filter-specific magnitude predictions that observers can apply immediately to Cycle 3 programs, moving beyond qualitative statements that 'simulations agree with JWST.'