I. INTRODUCTION

II. DARK ENERGY SURVEY YEAR 3 DATA

III. REDSHIFT CALIBRATION

IV. SHEAR CALIBRATION

V. COSMOLOGICAL SIMULATIONS

VI. COSMIC SHEAR MEASUREMENT

VII. MODELING AND ANALYSIS CHOICES

VIII. COSMOLOGICAL CONSTRAINTS

IX. INTERNAL CONSISTENCY

X. ROBUSTNESS TO REDSHIFT CALIBRATION

XI. ROBUSTNESS TO BLENDING AND SHEAR CALIBRATION

XII. WHAT LIMITS LENSING COSMOLOGICAL PRECISION?

XIII. CONCLUSIONS