v1.4.485
danielmiessler/Fabricv1.4.485Sep 27, 2026by github-actions[bot]
Upgrading?
AI Summary
Fixes a core messaging routing issue to ensure user input is correctly processed as the last message in a session.
Key Highlights
- Routed user input through user messages in `BuildSession` for broader model compatibility.
- Separated system instructions from user input to prevent duplication.
- Preserved raw mode input, attachment text, and multipart content during message construction.
- Added regression tests for message routing and pattern substitution.
Full Release Notes
## Changes ### PR [#2169](https://github.com/danielmiessler/Fabric/pull/2169) by [ksylvan](https://github.com/ksylvan): fix(core): route user input to the user message in BuildSession - Routed user input through user messages in `BuildSession`, ensuring every request ends with a user message for broader model compatibility. - Tracked explicit input placeholders instead of automatically appending input to the prompt. - Separated system instructions from user input so input is no longer duplicated. - Preserved raw mode input, attachment text, and multipart content during message construction. - Maintained pattern endpoint responses by appending input when necessary, with new regression tests for message routing and pattern substitution.
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