Release Notes for v3.1

• VALIDATION: More atmosphere Diffraction validation (JRP)

• VALIDATION: Added speed calculation validation (JRP)

• VALIDATION: Added dynamic transmission validation (JRP)

• VALIDATION: Added bright star optimization validation (JRP)

• VALIDATION: Added background speed up validation (JRP)

• VALIDATION: Increased number of validation metrics from 19 to 72 (JRP)

• FIDELITY: Re-Normalized second kick for low outer scales (JRP)

• FIDELITY: QE is now applied properly as photons enter and not after saturation (EP)

• FIDELITY: Change in background simulation method now means vignetting is 100% accurate (JRP)

• FIDELITY: Added airmass variation across the field (JRP)

• EFFICIENCY: Re-optimization of bright stars (2X faster and more accurate) (JRP)

• EFFICIENCY: Improved ray intercept calculation (as accurate and 30% faster) (JRP)

• EFFICIENCY: Substantial new way of simulating background (up to 120X faster) (JRP)

• EFFICIENCY: All external large data files have been removed (EP)

• DOCUMENTS: Much more information on the wiki (JRP)

• SW ENG: Lots of code refactoring to be more consistent with DM software standards (JRP&EP)

• SW ENG: Reorganized architecture into more meaningful programs (JRP&EP)

• SW ENG: Simplication of full_focalplane (now phosim) (EP)

• SW ENG: Simplication of makefiles (now just configure and make) (EP&JRP)

• SW ENG: Update of configuration script so it installs dependencies from source (JRP)

• SW ENG: Reorganized files into work, source, bin, output, and data directories (EP)

• SW ENG: Generate readout parameters on the fly; Removes data files (EP)

• SW ENG: Generate chipheight on the fly; Removes data files (EP)

• SW ENG: Generate offsets on the fly; Removes data files (EP)

• SW ENG: Generate QE on the fly; Removes data files (EP)