parameters 0.29.1

Changes

• bootstrap_model() for non-mixed models also gains a cluster argument for use
  if parallel = "snow".

Bug fixes

• The vcov argument in model_parameters() was ignored when vcov was of
  class "dpoMatrix" and did not return TRUE to is.matrix().

• Fixed issue with vcov argument in model_parameters() for models of class
  glmmTMB.

• Fixed issue with printing study names in brms-meta-analysis models.

• Fixed failing example in CRAN checks.