Dear PETSc users, The patch release petsc-3.4.1 is now available for download. http://www.mcs.anl.gov/petsc/download/index.html Some of the changes include: * KSPPIPECG: bug fix for PRECONDITIONED and UNPRECONDITIONED norms * Clean up communicator attribute deletion (works around bad MS-MPI attribute handling) * Remove reference to PETSC_COMM_WORLD from DMPlex and TSARKIMEX * SNES: bug fix when MatFDColoring is configured by user * SNESFAS: allow SNESView before setup * HDF5: add missing Fortran bindings * Xcode support restored * A few documentation fixes and improved diagnostic output Satish