<p><img alt="hack letter" src="https://www.tibiaqa.com/?qa=blob&qa_blobid=11962589488884077993" style="height:347px; width:313px"><br><br>As u can see <p>after researching i found that this change was writed by cipsoft itself implemented on the <a rel="nofollow" href="https://www.tibia.com/news/?subtopic=newsarchive&id=355">major update 7.6 (2005)</a> which says:</p><blockquote><p><span style="background-color:#fff2db; color:#5a2800; font-family:Verdana,Arial,"Times New Roman",sans-serif; font-size:13.3333px">a number of minor adjustments have been made. For example, letters, labels which can be modified even after being mailed, so the one who send the letter will be the last person able to modified letter.</strong></em></p>and other editable items now show the name of the most recent editing character</span></p></blockquote><p>Also, in this example of a hack letter when any writable document is modified by a player it will show up the name of who edited it last time and the date. if is a letter and it is sended by mail always will show up the warning message to prevent ppl about this kind of letters, (have to notice that if a letter haven't timestamp of who write it, it's because that letter the <a rel="nofollow" href="https://www.tibia.com/news/?subtopic=newsarchive&id=353&fbegind=1&fbeginm=12&fbeginy=2004&fendd=18&fendm=6&fendy=2006&flist=00100110">dec 2005 test server</a> (few days before the update) says:</p><blockquote><p><span style="background-color:#fff2db; color:#5a2800; font-family:Verdana,Arial,"Times New Roman",sans-serif; font-size:13.3333px">Additionally, on all writeable papers, such as a game message)<br><br><em><strong>the biggest difference between a letter and the others documents is that when a letter is sent it turns into an stamped letter which is a not-writable document so can't be modified anymore, instead of letters and parchments, the name of the last person that changed the document is shown.</span></p></blockquote><p>so the answer is yes, since that day all writeable document show the name of the last person who change it</p>