Issue #2858897 by ericgsmith, smustgrave, schlaukopf, fabiansierra5191, tobiasb, ben.kyriakou, RoSk0, rpayanm, _utsavsharma, Dakwamine, xjm, larowlan, Aki Tendo, tim.plunkett, longwave, mxh, alexpott: Block name collision on theme creation

Issue #2930445 by Alan D., mxh, Berdir: FieldItemListInterface::getEntity() should return FieldableEntityInterface rather than EntityInterface

Issue #2849674 by Lendude, mxh, tacituseu, podarok, andypost, pingwin4eg, axel.rutz, catch: Complex job in ViewExecutable::unserialize() causes data corruption

Revert "Issue #2849674 by mxh, Lendude, podarok, pingwin4eg, andypost, axel.rutz, catch: Complex job in ViewExecutable::unserialize() causes data corruption"

This reverts commit 43c568a7.

Issue #2849674 by mxh, Lendude, podarok, pingwin4eg, andypost, axel.rutz, catch: Complex job in ViewExecutable::unserialize() causes data corruption