# v0.25.9 Release Notes

> v0.25.8 -> v0.25.9

## Summary

Fixes a history duplication bug introduced during the v0.25.8 session package refactor, where Telegram and Discord sessions omitted the base-length marker and re-appended the full conversation on every turn.
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<summary>翻譯</summary>
修正 v0.25.8 session 套件重構時引入的歷史重複寫入 bug——Telegram 與 Discord 的 session 漏設 base-length 標記，導致每輪對話都將完整歷史重新 append。
</details>

## Changes

### FIX
- Set `BaseLen = len(oldHistory)` in Telegram and Discord session builders to prevent full-history re-append on each turn (@pardnchiu) [5d3fafe]

<details>
<summary>翻譯</summary>

- 在 Telegram 與 Discord 的 session builder 設定 `BaseLen = len(oldHistory)`，防止每輪重新 append 完整歷史

</details>

## Scope

- `internal/runtime/telegram/session.go` — FIX
- `internal/runtime/discord/session.go` — FIX

## Credits

Thanks to [@oceanasd](https://github.com/oceanasd) for reporting [#49](https://github.com/pardnchiu/Agenvoy/issues/49) and identifying the symptom that led to this fix.

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