The entire egg, onion or garlic was peeled. The egg, onion or garlic was peeled with the intent of using it immediately and it was then left over night, or if it was peeled in order to be used the next day. The egg, onion or garlic is peeled and left in its raw state. The egg, onion or garlic is peeled and left the entire night. Other poskim do not mention this leniency.
Some people are strict with radishes also, but it is without an apparent source.
Such as the Rif, Rambam and Tur. 6, who all record this prohibition as being applicable. Hilchos Shemiras Haguf 7. In addition, all the other poskim who do not mention this advisory, including later authorities such as the Chochmas Adam, Pischei Teshuvah and Kitzur Shulchan Aruch, must be included in this category. According to the previously mentioned Igros Moshe, this would also be permitted.