<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div class="">Hi,</div><div class=""><br class=""></div><div class="">I have been using tabs in TS for a while but I just run into a problem that I don't know if it is due to TS or OS.</div><div class=""><br class=""></div><div class="">In the screenshot below I have several tabs open, I am working on L20-1.tex, but the top of the window says L20-5.tex. The contents are actually those of L20-5.tex, L20-1.tex is an existing file in the same folder but it is not open as a tab. </div><div class=""><br class=""></div><div class="">I first saw this problem a couple minutes ago, then immediately shut down and rebooted the computer, but apparently this issue persists. </div><div class=""><br class=""></div><div class="">The mismatch worries me. Has anyone encountered anything similar?</div><div class=""><br class=""></div><div class="">TS Version 4.59 (4.59)</div><div class="">OS 11.2.2 (20D80)</div><div class=""><br class=""></div><div class="">Themis</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><img apple-inline="yes" id="474EA8AA-0A3A-4BD1-83B4-F67807385417" width="640" height="428" src="cid:E726615A-B49D-4FDC-A119-090E10DDDF54" class=""></body></html>