BBEdit everyone's favourite text editor has been updated. This looks to be a substantial update with over 100 new features and refinements, the full release notes are available here.

A couple of features look very useful

There's a new submenu on the Edit menu, "Columns". This submenu contains commands to help you work more easily with column-delimited text files. The three basic commands, "Cut Columns", "Copy Columns", and "Clear Columns" work similarly to their top-level analogues. The columns to be cut/copy/cleared are determined by the selection range: to cut a single column, for example, click in the middle of it. You can cut/copy/clear multiple columns by selecting text across them. The "Rearrange Columns" command gives you an easy way to, well, rearrange the columns in a column-delimited text document. Choose the menu command, and then drag the items into the list to order them as you would like, then press the "Apply" button.

There's a new command on the Text menu: "Canonize". This command is useful for doing batch search-and-replace operations in a file, using another file as a list of search-and-replace transformations.

BBEdit 12.0 requires macOS 10.11.6 ("El Capitan") or later, and is compatible with macOS 10.13 "High Sierra". I've added it to the list of Scientific Applications under High Sierra