Update copyright years
Prepare release
PER, UPER: Fix encoding/decoding of open types greater than 16K
Prepare release
Merge branch 'maint-r15' into maint

Note that this is a fake merge. The bug fix changes files that
are no longer present in maint, and the bug will need to be fixed
in a different way.

* maint-r15:
  Prepare release
  PER, UPER: Fix encoding/decoding of open types greater than 16K
Merge branch 'maint-r15' into maint-r16

Note that this is a fake merge. The bug fix changes files that
are no longer present in maint, and the bug will need to be fixed
in a different way.

* maint-r15:
  Prepare release
  PER, UPER: Fix encoding/decoding of open types greater than 16K
Merge branch 'maint-r16' into maint