creo4 config.pro option documentation for: PIPE_UPDATE_PRE_20_INT_PTS 
pipe_update_pre_20_int_pts
(Non Spec-Driven)
yes
*
, no
Piping can update pipelines created prior to Piping Release 20.0. This enables users to get intersection point entities. Piping creates these entities in session (Info
> Regen Info
) or when you retrieve the piping model.
yes
- Piping updates pipelines created prior to Piping Release 20.0.
no
- Piping does not update pipelines created prior to Piping Release 20.0.