Some articles about new PostgreSQL 13 features:

[1] https://info.crunchydata.com/blog/why-postgresql-13-is-a-luc...

[2] https://info.crunchydata.com/blog/postgresql-13-hidden-gems

[3] https://www.2ndquadrant.com/en/blog/postgresql-13-limit-with...

[4] https://www.2ndquadrant.com/en/blog/pg13-slot-size-limit/

[5] https://www.2ndquadrant.com/en/blog/unicode-normalization-in...

[6] https://www.2ndquadrant.com/en/blog/backup-manifests-and-pg_...

[7] https://amitkapila16.blogspot.com/2020/05/improved-autovacuu...