# お知らせ

2025.09.05 　[投稿内容に関するご案内](https://protopedia.gitbook.io/helpcenter/info/2025.09.05)

2025.08.26 　[セキュリティ対策における仕様変更のお知らせ](https://protopedia.gitbook.io/helpcenter/info/2025.08.26)

2025.01.28 　[メンテナンスのお知らせ](https://protopedia.gitbook.io/helpcenter/info/2025.01.28)

2023.04.17 　[ログインパスワード設定のお願い](https://protopedia.gitbook.io/helpcenter/info/2023.04.17)

2022.05.23　[ライセンス情報追記と利用規約を変更しました](https://protopedia.gitbook.io/helpcenter/info/2022.05.23)

2022.03.21　[ライセンス情報追記と利用規約変更ついてのお知らせ](https://protopedia.gitbook.io/helpcenter/info/2022.03.21)

2021.10.20　[Twitterメンション通知機能追加のお知らせ](/helpcenter/info/2021.10.20.md#twittemenshonnoorase)

2021.03.17　[メンテナンスのお知らせ](/helpcenter/info/2021.03.17.md#mentenansunoorase)

2020.10.15　[定期メンテナンスのお知らせ](/helpcenter/info/2020.10.15.md#mentenansunoorase)


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