Iced: Container shadows are too big with `tiny-skia` and custom theme

Cargo.toml

[package]
name = "repro"
version = "0.1.0"
edition = "2021"

[dependencies]
iced = { version = "0.12.1", features = ["advanced"] }

main.rs

use iced::{application, executor, Application, Border, Color, Shadow, Vector};
use iced::{Command, Element, Settings};
use iced::widget::{container, row, text};

pub fn main() -> iced::Result {
    Repro::run(Settings::default())
}

struct Repro;

#[derive(Debug, Clone)]
enum Message {}

#[derive(Default)]
pub struct CustomTheme {}

#[derive(Clone, Default)]
pub struct ApplicationStyle;
impl application::StyleSheet for CustomTheme {
    type Style = ApplicationStyle;

    fn appearance(&self, _style: &Self::Style) -> iced::application::Appearance {
        iced::application::Appearance {
            background_color: Color::WHITE,
            text_color: Color::BLACK,
        }
    }
}

#[derive(Clone, Default)]
pub struct ContainerStyle {}
impl container::StyleSheet for CustomTheme {
    type Style = ContainerStyle;

    fn appearance(&self, _style: &Self::Style) -> container::Appearance {
        container::Appearance {
            background: Some(Color::TRANSPARENT.into()),
            border: Border {
                color: Color::TRANSPARENT,
                width: 0.0,
                radius: 0.0.into(),
            },
            text_color: None,
            shadow: Shadow {
                color: Color::from_rgb8(255, 0, 0),
                offset: Vector::ZERO,
                blur_radius: 0.0,
            },
        }
    }
}

#[derive(Clone, Default)]
pub struct TextStyle {}
impl text::StyleSheet for CustomTheme {
    type Style = TextStyle;

    fn appearance(&self, _style: Self::Style) -> text::Appearance {
        text::Appearance {
            color: None,
        }
    }
}

impl Application for Repro {
    type Executor = executor::Default;
    type Flags = ();
    type Message = Message;
    type Theme = CustomTheme;

    fn new(_flags: ()) -> (Repro, Command<Self::Message>) {
        (Repro, Command::none())
    }

    fn title(&self) -> String {
        String::from("Repro")
    }

    fn update(&mut self, _message: Self::Message) -> Command<Self::Message> {
        Command::none()
    }

    fn view(&self) -> Element<Self::Message, Self::Theme> {
        container(row!["first", "second"].spacing(10)).into()
    }
}