关于 Chrome 88.0.4324.190 Windows 安装包文件名的疑问

[microka]

留意到 Chrome Windows 最新正式版安装包名为 88.0.4324.190_chrome_installer_10mb_blob.exe ，而以前安装包文件名是以 chrome_installer.exe 结尾的，这次多出个 _10mb_blob 是有什么含义吗？

http://redirector.gvt1.com/edgedl/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

https://redirector.gvt1.com/edgedl/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

http://dl.google.com/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

https://dl.google.com/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

http://www.google.com/dl/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

https://www.google.com/dl/release2/chrome/AO1CIN0Aa5eN82pGa0YbHrQ_88.0.4324.190/88.0.4324.190_chrome_installer_10mb_blob.exe

89.0.4389.72 又恢复到之前的后缀了
http://edgedl.gvt1.com/edgedl/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
http://redirector.gvt1.com/edgedl/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
https://redirector.gvt1.com/edgedl/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
http://dl.google.com/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
https://dl.google.com/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
http://www.google.com/dl/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe
https://www.google.com/dl/release2/chrome/fGaeS1BZKnVlmN2-fXBiog_89.0.4389.72/89.0.4389.72_chrome_installer.exe