Hi,

It's possible that in Nop.Web.Areas.Admin.Controllers.ProductController.cs

in method ProductSpecAttrUpdate for customtext case

case (int)SpecificationAttributeType.CustomText:
                    psa.CustomValue = model.Value;
                    foreach (var localized in model.Locales)
                    {
                        _localizedEntityService.SaveLocalizedValue(psa,
                            x => x.CustomValue,
                            localized.ValueRaw,
                            localized.LanguageId);
                    }
                    break;

it could be Value instead of ValueRaw?

thanks