You might want to consider using the Unanswered filter: /latest?max_posts=1.
However, I did also write a PR to add this sorting option:
Taking suggestions as to what the name in the dropdown menu should be, I don’t really like “Oldest Update”.
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Allow to order search results by the topic creation date | 2 | 1475 | March 29, 2017 | |
| Search options : choose default search «sort by» option in admin | 6 | 805 | April 19, 2023 | |
| Add site setting to default search results sort by latest post instead of relevance | 24 | 2649 | November 28, 2023 | |
| Add inversion of some "Sort by" values in search results | 1 | 797 | June 2, 2021 | |
| When searching, what's the opposite of order:latest? | 4 | 1927 | June 8, 2024 |