February 2025 monthly summary for analogdevicesinc/pyadi-iio. Focused on expanding spectral analysis capabilities with optional windowing and strengthening test coverage to support windowed spectral estimation. Delivered a new useWindow hook in the DDS loopback path wired to the spectral estimation (spec_est), enabling controlled application of a Kaiser window prior to FFT. Updated test suite to exercise windowed spectral analysis and to validate scaling behavior across tests. This work closes a critical capability gap and lays groundwork for more accurate frequency-domain measurements. No major bugs fixed this month; the emphasis was on feature delivery, test hardening, and improving measurement fidelity through configurable windowing.