> For the complete documentation index, see [llms.txt](https://legacy-docs.usdd.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://legacy-docs.usdd.io/news-center/announcements.md).

# Announcements

- [Announcement on Re-opening the Channel for USDC to Issue USDD in PSM](https://legacy-docs.usdd.io/news-center/announcements/announcement-on-re-opening-the-channel-for-usdc-to-issue-usdd-in-psm.md)
- [Announcement on Suspending the Channel for USDC to Issue USDD in PSM](https://legacy-docs.usdd.io/news-center/announcements/announcement-on-suspending-the-channel-for-usdc-to-issue-usdd-in-psm.md)
- [Announcement on Upgrading PSM to Support USDJ](https://legacy-docs.usdd.io/news-center/announcements/announcement-on-upgrading-psm-to-support-usdj.md)
- [Announcement on Upgrading PSM to Support TUSD](https://legacy-docs.usdd.io/news-center/announcements/announcement-on-upgrading-psm-to-support-tusd.md)
- [Announcement on Upgrading PSM to Support USDC](https://legacy-docs.usdd.io/news-center/announcements/announcement-on-upgrading-psm-to-support-usdc.md)