# September 10, 2024

## 4.0.0-rc5

**`(fix):`** Pydantic models now call update forward refs on non-union circular references. This
prevents runtime errors in certain cases where types self reference itself through
a union.

## 4.0.0-rc4

**`(fix):`** Pydantic models now call update forward refs on non-union circular references. This
prevents runtime errors in certain cases where types self reference itself through
a union.

## 4.0.0-rc3

**`(fix):`** Pydantic models now call update forward refs on non-union circular references. This
prevents runtime errors in certain cases where types self reference itself through
a union.