This is a replacement Textmate icon (in both packed .icns and unpacked iconset formats) which adheres to the new design guidelines introduced in macOS 11.
The icon is licensed under CC-BY-4.0 - please see LICENSE.md for any clarifications.
Q. What about the center of the flower?
A. I wanted to add more detail but haven't managed to make it look good yet. At smaller resolutions (such as in the dock) it's not a noticeable detail anyway.