TeXShop versions

v4.4 [Sep 21, 2019]
During typesetting, it is not possible to cut and paste text from the console, but cut/paste works after typesetting ends. If there is an error, TeX waits for further input but cut/paste remains inactive. Pushing RETURN until typesetting ends will make it active. If the user pushes ABORT, cut/paste remained inactive in earlier versions of TeXShop, but now it becomes active.
In single window mode, several Preview menu items were deactivated. Now most remain active.
A similar deactivation occurs in the Source menu; the five items between "Duplicate" and "Revert" are deactivated. Many of these items behave unexpectedly in Single Window Mode because they only change the source file, so the active Source and Preview are no longer related. Moreover, none of these menu items is in the TeXShop source code, as can be verified by opening the source in XCode. Instead, they are added to the menu automatically by Cocoa when Automatic Saving is activated. Because they are entirely encoded in Cocoa, changing their behavior for Single Window mode could lead to instabilities in file saving behavior, and instability in that system would be intolerable. So in single window mode, these items are still disabled in TeXShop 4.42.
The Macintosh uses Uniform Type Identifiers (UTI) to identify various kinds of files: tex files, latex files, pdf files, html files, etc. On other operating systems, these types are often determined by file extensions: .tex, .ltx, .pdf., .html, etc. Macintosh programs contain a file named Info.plist which, among other things, associates file extensions used by the program with corresponding UTI's.

v3.11 [Jul 17, 2012]
- The ConTeXt engines have been renamed. I promised to make this change a year ago, but checking MacTeX-2012 shortlybefore release, I found that the promise was ignored. The old and new names are: ConTeXt-MKIV.engine --> ConTeXt (LuaTeX).engine ConTeXt-xetex.engine --> ConTeXt (XeTeX).engine ConTeXt .engine --> ConTeXt (pdfTeX).engineThe new names make explicit the TeX program which will run the ConTeXt macros for that engine.