# AionUi v2.1.54

- Product: AionUi (https://whatsnew.fyi/product/aionui)
- Vendor: iOfficeAI
- Date: 2026-08-12
- Version: v2.1.54
- Original notes: https://github.com/iOfficeAI/AionUi/releases/tag/v2.1.54
- Permalink: https://whatsnew.fyi/product/aionui/releases/v2.1.54

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Open selected links in built-in or system browser in conversation
- **added** — Enable mermaid pan and zoom controls in markdown viewer
- **added** — Add save button to editable file toolbar in preview
- **fixed** — Stop React #185 loadMore loop in explorer
- **added** — Add Discord channel configuration UI
- **added** — Implement backend-driven grouping, paging and pin fidelity in sidebar
- **fixed** — Download PDF, DOCX, XLSX, and PPTX files in preview
- **added** — Honor AIONUI_BACKEND_BIN override in desktop resolver
- **added** — Add dedicated dialog for database created by newer AionUi versions

##### What's Changed
* feat(conversation): open selected links in built-in or system browser by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3959
* feat(preview): enable mermaid pan/zoom controls in markdown viewer by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3958
* feat(preview): add save button to editable file toolbar by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3964
* fix(explorer): stop React #185 loadMore loop by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3966
* feat(channel): add Discord channel configuration UI by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3956
* feat(sidebar): backend-driven grouping, paging and pin fidelity by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3969
* fix(preview): download PDF, DOCX, XLSX, and PPTX by @pooya79 in https://github.com/iOfficeAI/AionUi/pull/3973
* chore(sidebar): bump first-screen page size to 10 by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3983
* chore(sidebar): revert #3969 and #3983 from main by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3984
* feat(backend): honor AIONUI_BACKEND_BIN override in desktop resolver by @tcp404 in https://github.com/iOfficeAI/AionUi/pull/3988
* feat(startup): dedicated dialog for database created by newer AionUi (downgrade) by @kaizhou-lab in https://github.com/iOfficeAI/AionUi/pull/3998
* chore: bump version to 2.1.54 by @piorpua in https://github.com/iOfficeAI/AionUi/pull/4003


**Full Changelog**: https://github.com/iOfficeAI/AionUi/compare/v2.1.53...v2.1.54