Issue #2321385 by alexpott, bircher, amateescu, swentel, benjy: Fixed Creation of node body field in postSave() incompatible with default config and overrides.

Issue #2312093 by alexpott, yched, andypost, swentel | xjm: Rename FieldInstanceConfig to FieldConfig.

Issue #2336353 by cilefen: Fixed The message when there is no configuration to synchronize/import is misleading.

Issue #2283977 by alexpott, Gábor Hojtsy, effulgentsia, fago: Create a new ConfigEntity type for storing bundle-specific customizations of base fields.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2257519 by sun, larowlan, xjm, cs_shadow: Move content assertion methods into a trait, so DUTB can consume it, too.

Issue #1939008 by sun, joelpittet, gnuget, Gokul N K, sphism, drupalninja99, c4rl, Cottser, mdrummond, long wave, steveoliver, andypost, Fabianx | jenlampton: Convert theme_table() to Twig.