Textus v1.3.3

What's new

Textus 1.3.3 adds Research mode, which researches a topic and writes a cited paper into your document, opens very long documents with far less memory, names and saves untitled documents for you, and brings Paper, Slate and Forest back as built-in themes.

New

• Research mode: ask Textus AI to write a paper, and it researches the topic on the web, in scholarly papers and in your project's references, lets you edit the outline, then writes, reviews and cites the paper into your document. A paper pauses after 120 model calls; Continue allows as many again.
• With Save Automatically on and a folder open, an untitled document gets a file in that folder once its title is written (or after half a minute's rest), and the file is renamed as the title changes until you name it yourself. With no folder open, untitled documents stay drafts, kept by crash recovery as before.
• A new document with no level-one heading is named by Textus AI, in the background while you write, so Save As and autosave propose a short title instead of the first line. It follows Textus AI and "Suggest a filename when saving a new file"; the first line is used while there is no title yet.
• Settings › General › Settings file exports your settings to a file and imports them again, to back them up or carry them to another computer. Imported themes come along with their CSS. API keys stay in the system keychain, MCP tokens are left out of the file, and what belongs to this computer (its folders, proxy, zoom and update channel) is never written; importing keeps this computer's own.
• OpenCode Go is a provider of its own: paste the subscription's key in Settings › AI and its DeepSeek, Kimi and GLM models work in chat and with tools. Set up before as a custom endpoint, its thinking models failed from the second step of a reply on.

Improved

• Opens and edits very long documents (from about 150,000 characters) with far less memory: only the part near the screen is drawn, and the rest is drawn as you scroll to it. In a 500,000-character document typing and Enter respond about three times faster. Find, the outline, copying and exporting still reach the whole document.
• Paper, Slate and Forest are back as built-in themes, each with a light and a dark form, so a few looks work without the theme gallery.
• Offers up to three things you will probably say next as buttons over the AI panel's message box after each reply, such as "Shorten this section"; a click sends one. The likeliest still shows grey in the empty box for Tab, and typing or sending clears them. Turn them off with Settings › Textus AI › Suggest your next message.
• The AI panel shows the conversation alone: what Textus AI keeps for the project opens from the folder button at the top right instead of a Chat / Project switch.
• On iPhone, Textus AI is now a page of its own beside the document instead of a sheet from the bottom: switch with the Write / AI capsule at the top right, or swipe in from the screen's edge. The word count moved into the menu.

Fixed

• The plugin store, skills and theme gallery are read from Textus's own site, so they open where GitHub can't be reached.
• On macOS, a PDF of a long document keeps all of its content, instead of coming out blank from about the 18th page on.
• A diagram or chart drawn wider than a PDF's page shrinks to fit it, instead of being cut off at the right with a scrollbar printed under it.
• A window that reloads its page (Reload on the error screen, or after the page was refreshed) comes back with the documents it had open and their unsaved text, instead of an empty Untitled document.
• Keeps the document's title centred over the page when the sidebar or the AI panel is open, instead of leaving it at the window's centre - and slides it with the sidebar as the sidebar opens and closes.
• Keeps the menu bar whole when the sidebar is open: the sidebar now starts below the title bar, instead of its fill and edge cutting through the menu titles.

Installers for macOS (Apple silicon and Intel), Windows and Linux (x64 and ARM64) are below; the app updates itself.