详细信息见百科：Windows 10:10.0.19044.1263.vb_release_svc_prod3.210913-1601 – BetaWorld 百科

官方公告：Releasing Windows 10 Build 19044.1263 (21H2) to Release Preview Channel | Windows Insider Blog

此版本包含较多的 bug 修复，但没有成为 9 月可选更新。

下载地址：

AMD64
KB5005611 (LCU) (new)
https://uupdump.net/getfile.php?id=ba4aa62b-a402-4985-a6e3-26a6e9d248a1&file=Windows10.0-KB5005611-x64_36631c41.cab
KB5005699 (SSU)
https://uupdump.net/getfile.php?id=ba4aa62b-a402-4985-a6e3-26a6e9d248a1&file=SSU-19041.1220-x64_046f0825.cab
KB5003791 (EKB)
http://b1.download.windowsupdate.com/c/upgr/2021/08/windows10.0-kb5003791-x64_6c4ec017d710917b394a39f925a0149668db4e83.msu
KB5005645 (SafeOS) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005645-x64_538f1e6da85d4002614a0817a41b445844643e32.cab
KB5005714 (Setup DU) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005714-x64_38556b335284d34e7c908fd80aed4c5c7ce80b0c.cab
KB5001679 (Oasis Asset)
https://uupdump.net/getfile.php?id=97472404-471c-4ec0-8af5-cf7b05cb7370&file=Windows10.0-KB5001679-x64_6773983c.cab

x86
KB5005611 (LCU) (new)
https://uupdump.net/getfile.php?id=0c208486-72cb-4948-90a5-acaca9557260&file=Windows10.0-KB5005611-x86_f5d5bd39.cab
KB5005699 (SSU)
https://uupdump.net/getfile.php?id=0c208486-72cb-4948-90a5-acaca9557260&file=SSU-19041.1220-x86_e36dff08.cab
KB5003791 (EKB)
http://b1.download.windowsupdate.com/c/upgr/2021/08/windows10.0-kb5003791-x86_faeb8ca98a01bb326efd734b11aa2e1affdc0470.msu
KB5005645 (SafeOS) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005645-x86_ab6ce9cf70952e115c56d4f153dd854050230df0.cab
KB5005714 (Setup DU) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005714-x86_52b59062115c97a212940a1c442f6144c74f7b8f.cab

ARM64
KB5005611 (LCU) (new)
https://uupdump.net/getfile.php?id=effdd4b4-34c8-493b-967c-fcf4e286d3ef&file=Windows10.0-KB5005611-arm64_a044360c.cab
KB5005699 (SSU) (new)
https://uupdump.net/getfile.php?id=effdd4b4-34c8-493b-967c-fcf4e286d3ef&file=SSU-19041.1220-arm64_dcc5cf2b.cab
KB5003791 (EKB)
http://b1.download.windowsupdate.com/c/upgr/2021/08/windows10.0-kb5003791-arm64_0205ea4d89205b2616c26e982543253512ed89f7.msu
KB5005645 (SafeOS) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005645-arm64_8089bfed5bc815d315f881e0b4c2ed752cf85f48.cab
KB5005714 (Setup DU) (new)
http://download.windowsupdate.com/d/msdownload/update/software/crup/2021/09/windows10.0-kb5005714-arm64_c94fc1f22cd40772f40f228db5958bf25c80a2ee.cab