Ask about spreadsheets and get answers that cite real sheets
Uploaded spreadsheets now behave the same whatever Excel format they arrive in, and answers drawn from a workbook name the sheet you would recognise.
Uploading a workbook and asking about it used to depend on which Excel format you had. A modern .xlsx behaved one way, an older .xls or a macro-enabled .xlsm another, and answers came back citing sheet names nobody could read.
Every Excel format treated as a spreadsheet
Chief held back a .xlsx or a CSV from answering questions until it finished processing, but let an .xls or .xlsm through early, so you got an answer citing rows that had not loaded yet. Older Excel formats now wait alongside the rest.
The same applies in the @-mention picker, where a macro-enabled .xlsm sat under "Assets" with a plain document glyph. You now find it under "Spreadsheets" with the spreadsheet badge, matching where the preview and the rest of the product already put it.
Honest readiness labels
A file between 5 MiB and 10 MiB told you it was "Ready for simple tasks with just this file" while Chief could not read it, so a 7 MiB PDF looked usable and then contributed nothing to the answer. Files that size stay on the processing label until their text is extracted.
Ranking for a just-uploaded file
A file you had only just uploaded outranked every indexed document in your results, whatever you asked. Chief now ranks its passages by how well they match your question, so a strong match from an older document comes back above a weak one from the new file.
Indexed content kept alongside
Asking about a document still being processed dropped the parts of it Chief had already indexed and kept only what it read live from the file, so an answer sitting in an indexed section went missing. Both sets of content now reach the answer together.
Real sheet names in citations
Sheets used to be cited as something like da7iu18egjektv4tkin0_Sales. A workbook answer now cites Sales, and a sheet whose own name contains an underscore keeps it intact.
Upload the workbook you have, in whatever Excel format it came in, and the answer you get back will point at a sheet you can open.