resulting from IMPORT, EXPORT, or USE-PACKAGE.
* enhancement: variant DEFPACKAGE forms now signal a full error with
restarts provided for resolving the situation. (lp#891351)
+ * enhancement: by setting SB-EXT:*ON-PACKAGE-VARIANCE* to :ERROR variant
+ DEFPACKAGE forms now signal a full error with restarts provided for
+ resolving the situation. Default is :WARN, which retains the previous
+ behaviour. (lp#891351)
+ * enhancement: easier to read method names in backtraces.
+ * bug fix: secondary CLOS dispatch functions have better debug names.
+ (lp#503081)
* bug fix: deleting a package removes it from implementation-package
lists of other packages.