### Fixes

* 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. PR [#14361](https://github.com/fastapi/fastapi/pull/14361) by [@svlandeg](https://github.com/svlandeg).
* 🐛 Fix `TypeError` when encoding a decimal with a `NaN` or `Infinity` value. PR [#12935](https://github.com/fastapi/fastapi/pull/12935) by [@kentwelcome](https://github.com/kentwelcome).

### Internal

bits.UintSize; i += 8 { if len(buf) >= cap(buf) { break } buf = append(buf, byte(word)) word >>= 8 } } v.SetBytes(buf[:32]) return v } func (v *Element) fromDecimal(s string) *Element { n, ok := new(big.Int).SetString(s, 10) if !ok { panic("not a valid decimal: " + s) } return v.fromBig(n) } // toBig returns v as a big.Int. func (v *Element) toBig() *big.Int { buf := v.Bytes() words := make([]big.Word, 32*8/bits.UintSize) for n := range words { for i := 0; i < bits.UintSize; i += 8 { if len(buf) == 0 {...

bits.UintSize; i += 8 { if len(buf) >= cap(buf) { break } buf = append(buf, byte(word)) word >>= 8 } } v.SetBytes(buf[:32]) return v } func (v *Element) fromDecimal(s string) *Element { n, ok := new(big.Int).SetString(s, 10) if !ok { panic("not a valid decimal: " + s) } return v.fromBig(n) } // toBig returns v as a big.Int. func (v *Element) toBig() *big.Int { buf := v.Bytes() words := make([]big.Word, 32*8/bits.UintSize) for n := range words { for i := 0; i < bits.UintSize; i += 8 { if len(buf) == 0 {...