Missing IonItem dividers on iOS26

[saad]

I am trying to render a simple IonList inside a modal. It works fine on Android, and older iOS versions, but on iOS 26 some dividers between IonItems are missing. It happens randomly and there is no specific pattern. I have inspected the rendered elements and css and there is no difference between the two items.

Here’s the code:

<IonList className="ion-no-margin">
  {options.map((option) => (
    <IonItem key={option.value}>
      <IonGrid className="ion-no-padding">
        <IonRow className={"ion-align-items-center"}>
          <IonCol size="1">
            <IonCheckbox
              value={option.value}
              labelPlacement="end"
              checked={isChecked(option.value)}
              onIonChange={(event) =>
                toggleSelection(
                  event.target.value,

                  event.target.checked,
                )
              }
            ></IonCheckbox>
          </IonCol>

          <IonCol size={isPhone ? "11" : "6"}>
            <IonLabel
              className="ion-text-wrap"
              onClick={() => toggleSelection(option.value)}
            >
              <h3>{option.label}</h3>

              <p>{option.details}</p>
            </IonLabel>
          </IonCol>

          {isPhone && <IonCol size="1"></IonCol>}

          <IonCol size={isPhone ? "9" : "4"}>
            <FormikIonInput
              name="override"
              type="number"
              label={t("parcel.areaWithUnit")}
              placeholder={"overridePlaceholder"}
              step="0.1"
            />
          </IonCol>

          <IonCol size={isPhone ? "2" : "1"} className="ion-align-self-center">
            <OverridePercent
              originalSize={option.size}
              overridenSize={values.override[option.value]}
            />
          </IonCol>
        </IonRow>
      </IonGrid>
    </IonItem>
  ))}

  {options.length === 0 && (
    <IonItem lines="none">
      <IonText>{t("general.noOptions")}</IonText>
    </IonItem>
  )}
</IonList>;

In the example picture you can see the divider missing after the second option.