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大家好，我以惨痛的教训发现，将 Perplexity 会话导出为 PDF 格式时，如果页面数达到约 90 页，会导致大量内容丢失。在就此事提交工单后，与一位代表的简短对话毫无帮助且令人困惑。对方声称“导出为 PDF”功能仅导出单个“线程”，要导出整个会话，必须单独选择并导出每个所谓的线程。这完全是错误的。实际上，通过右上角的“…”菜单/“导出为 PDF”选项，根本没有方法可以选择线程。我用从 1 页到 170 页不等的各种会话进行测试，结果表明线程与导出无关。导出页面数少于 90 页的会话通常*会保留所有内容，而 93 页的会话则没有，但 95 页和 170 页的会话却可以。这表明字符限制（如果这是原因）是可变的，因为 170 页几乎可以肯定包含比 90 页更多的字符。这里要说明的根本问题是，无论原因是什么，在当前 UI 界面下，由于缺乏文档、通知等，数据丢失是不可避免的。 *我在提交工单后观察到了变化，并且已经进行了修改。情况以前更糟，现在有所缓解，但问题依然存在。

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Hello all,I discovered, the hard way, that exporting Perplexity sessions to PDF results in substantial content loss when the page is ~90 pages.After opening a ticket on the matter, a brief dialogue with a rep proved unhelpful and confusing. It was stated that the Export as PDF feature only exports individual "threads", and that to export an entire session, each so-called thread must be individually selected and exported. This is simply wrong.In practice, there is no method to select threads through the Top-Right/ 3-dot menu/Export as PDF option. Testing this with various sessions from 1 to 170 page exports showed no indication that threads were relevant.Exports under 90 pages tend* to retain all content, while a 93-page didn't, but a 95 and 170 page export did. This indicates that the character limit (if that's the cause) is variable, as 170 pages is almost guaranteed to contain more characters than 90.The fundamental point here, whatever the cause, is that data loss is inevitable under the present UI with its absence of documentation, notices etc.*I observed changes after submitting the ticket and modifications have already been made. The situation was worse before, and now less worse, but still applies.

告诉 HN：Perplexity 对会话导出有未指定的字符限制