<p>10:7 <i>But in the days of the voice of the seventh angel, when he is about to sound, then is finished the mystery of God, according to the good news which He declared to His servants the prophets</i>- The message of the prophets was specifically concerning Israel, which is therefore the focus of the &quot;mystery&quot; here. &quot;About to sound&quot; could suggest that the seventh Angel doesn't actually sound; therefore the seven thunders were not written down. I suggested on :4 that this is because that potential sequence of judgments don't happen. Perhaps in His grace and in response to the prayers of the faithful in the last days, the judgments are cut short and these ones therefore don't happen. See too the notes on 6:1 regarding the seventh seal.</p>