The JWST Exposure Time Calculator (ETC) version 6.0 is now live. This release includes several useful new capabilities and features, including:

• Added support for NIRCam Imaging and NIRSpec BOTS Prism superstripe modes
• Improved background modeling for MIRI and NIRISS SOSS modes
• Updated PSFs, revised calculation defaults, and sample/science workbooks
• A variety of new reported values, updated warnings, and other user interface improvements
• Several backend performance enhancements

See the release notes for details, and be sure to review the known issues for this release. Instructions for downloading the new version of the Pandeia engine and the associated data are found in the JWST Documentation and the Pandeia Engine News page.

Observers with questions about this release are encouraged to contact the ETC Team via the JWST Help Desk.