I would like to ask if it wouldn't be good idea to copy the https://wiki.postgresql.org/wiki/TOAST#Total_table_size_limit discussion (out-of-line OID usage per TOAST-ed columns / potential limitation) to the official "Appendix K. PostgreSQL Limits" with also little bonus mentioning the "still searching for an unused OID in relation" notice. Although it is pretty obvious information for some and from commit 7fbcee1b2d5f1012c67942126881bd492e95077e and the discussion in [1], I wonder if the information shouldn't be a little more well known via the limitation (especially to steer people away from designing very wide non-partitioned tables).
