This blog is updated daily.
A general description is here.
New function ‘messageCondition()’ to create structured ‘"message"’ objects analogous to ‘warningCondition()’ and ‘errorCondition()’ (PR#18940, by Trevor Davis).
‘hatvalues()’ now has a method for ‘nls’ (nonlinear model) results, prompted by the proposal of Patrice Kiener and Heather Turner in PR#18897.