[ENH] Add Styler builtin for diagonals #1334

Activity

1. genedan

   added this to the v0.11.0 milestone on Sep 11, 2026
2. genedan

   added the

   Feature

   issue type on Sep 11, 2026
3. genedan

   added this to Chainladder-Python Project Boardon Sep 11, 2026
4. genedan

   added a parent issue on Sep 11, 2026

   • [ENH] Define Triangle Styler #1331
5. genedan

   updated Scope Both, Priority Medium and Effort Medium on Sep 11, 2026
6. github-project-automation

   moved this to Not Ready in Chainladder-Python Project Boardon Sep 11, 2026
7. priyam0k commented on Sep 12, 2026

   

   priyam0k

   on Sep 12, 2026

   Contributor

   More actions

   I would like to take this up once #1342 lands.

   We can follow the same design pattern as highlight_lower_triangle, supporting valuation='latest' (defaulting to the triangle's valuation_date) as well as specific dates or valuation timestamps, and routing the diagonal mask into the styler.
8. genedan

   assigned

   priyam0k

   on Sep 12, 2026
9. genedan

   moved this from Not Ready to In progress in Chainladder-Python Project Boardon Sep 20, 2026
10. genedan commented on Sep 21, 2026

    

    genedan

    on Sep 21, 2026

    MemberAuthor

    More actions

    @priyam0k, this one is ready for pickup.

    🚀React with 🚀1Reacted by prm
11. kennethshsu

    closed this as completedin #1422on Oct 1, 2026
12. genedan

    added a commit that references this issue on Oct 1, 2026

    Add highlight_diagonal builtin

    ...

    2c16b19