[Rd] Wrong MD5 checksums in R 3.2.0

Dear R-devel members, Several R user recently reported (while using the installr package) that when running MD5 checksums on a recent R installation (R 3.2.0), they get that the files ‘bin/R.exe’, ‘b

[Rd] S4 method dispatch sometimes leads to incorrect when object loaded from file?

Loading an S4 object from a file without first loading the library sometimes (?, the example below and actual example involves a virtual base class and the show generic) leads to incorrect dispatch (to the base class method). The attached package reproduces the problem. It has setClass("A") se