| astropy__astropy-14995 | Tier A: the fix is stated in the issue | In v5.3, NDDataRef mask propagation fails when one of the operand does not have a mask |
| astropy__astropy-6938 | Tier B: the issue points to the file or function that was changed | Possible bug in io.fits related to D exponents |
| astropy__astropy-12907 | no quoted evidence | Modeling's `separability_matrix` does not compute separability correctly for nested CompoundModels |
| astropy__astropy-14182 | no quoted evidence | Please support header rows in RestructuredText output |
| astropy__astropy-14365 | disputed | ascii.qdp Table format assumes QDP commands are upper case |
| astropy__astropy-7746 | disputed | Issue when passing empty lists/arrays to WCS transformations |