We present an update to the 2024 Magellan Infrared Multi-Object Spectrograph (MIRMOS). MIRMOS is a wide-field (13′ × 3′) near-infrared (0.89-2.4 μm) spectrograph with either a multiobject or integral-field mode. MIRMOS is designed to perform either faint-object distant-object spectroscopy, or high-signal-to-noise transmission spectroscopy of exoplanet atmosphere. MIRMOS is designed to deliver a spectral resolution of > 3, 400, delivering the Y, J, H, and K bands over four Hawaii H2RG detectors. The slit robot allows the observer to create 92 slits or a 26′′ ×20′′ integral-field unit can be swapped in. In this proceeding, we describe changes since the last SPIE conference.
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