Change:
<!-- Do Not Delete This! bugreporttemplate --<!-- Please read our Rules of Conduct: --<!-- Please search existing issues to avoid creating duplicates. --<!-- Also please test using the latest insiders build to make sure your issue has not already been fixed: --<!-- Use Help Report Issue to prefill these. --- VSCode Version: 1.50.1 OS Version: 10.15.7 Steps to Reproduce: system input source to shuangpin, before which add shuangpin as an input source. ! caps lock, with caps lock unlock, you will input Chinese character, which is an expected behavior. something in the integrated terminal, I can only input upper case letters. But when I input something in editor or some other application, I can input lower case letters. <!-- Launch with to check. --Does this issue occur when all extensions are disabled?: Yes. Actually I think it might be the problem of might decide the letters by cap lock. This is not as expected with shuangpin mode.
This looks like an upstream issue in
Thanks for replying. Opened an issue for

Discussion:
"vscode-proxy-agent": "^0.12.0", "vscode-regexpp": "^3.1.0", "vscode-textmate": "7.0.1", <del> "xterm": "4.19.0-beta.60", "xterm-addon-search": "0.9.0-beta.39", "xterm-addon-serialize": "0.7.0-beta.13", </del> <ins> "xterm": "4.19.0-beta.67", "xterm-addon-search": "0.9.0-beta.41", "xterm-addon-serialize": "0.7.0-beta.15", </ins> "xterm-addon-unicode11": "0.4.0-beta.3", <del> "xterm-addon-webgl": "0.12.0-beta.41", "xterm-headless": "4.19.0-beta.60", </del> <ins> "xterm-addon-webgl": "0.12.0-beta.43", "xterm-headless": "4.19.0-beta.67", </ins> "yauzl": "^2.9.2", "yazl": "^2.4.3" },

"tas-client-umd": "0.1.6", "vscode-oniguruma": "1.6.1", "vscode-textmate": "7.0.1", <del> "xterm": "4.19.0-beta.60", "xterm-addon-search": "0.9.0-beta.39", </del> <ins> "xterm": "4.19.0-beta.67", "xterm-addon-search": "0.9.0-beta.41", </ins> "xterm-addon-unicode11": "0.4.0-beta.3", <del> "xterm-addon-webgl": "0.12.0-beta.41" </del> <ins> "xterm-addon-webgl": "0.12.0-beta.43" </ins> } }

resolved "https://registry.yarnpkg.com/vscode-textmate/-/vscode-textmate-7.0.1.tgz#8118a32b02735dccd14f893b495fa5389ad7de79" integrity sha512-zQ5U/nuXAAMsh691FtV0wPz89nSkHbs+IQV8FDk+wew9BlSDhf4UmWGlWJfTR2Ti6xZv87Tj5fENzKf6Qk7aLw== <del> xterm-addon-search@0.9.0-beta.39: version "0.9.0-beta.39" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.39.tgz#e8376e1485ee7d763c07d1a8f1354114f65b3e3e" integrity sha512-h45wkecgfqXXoAUqgNytAfSd6g0xNT6rZy/enVaEU0aes7QoL9pxHUKkCry8PP6hs03Slk0VxQ4AGsbSZGvK/w== </del> <ins> xterm-addon-search@0.9.0-beta.41: version "0.9.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.41.tgz#0992da36fe01ff6d71449265a9dabeef7f9d0a3f" integrity sha512-b1vuWR5JZ8QIiObbKkwSzpzf4x0B9hdzGCHJG+PXWT/xbxk65DOe/X9rgrRyOnCWe5ylQGG4DIHTiREigTp0lg== </ins> xterm-addon-unicode11@0.4.0-beta.3: version "0.4.0-beta.3" resolved "https://registry.yarnpkg.com/xterm-addon-unicode11/-/xterm-addon-unicode11-0.4.0-beta.3.tgz#f350184155fafd5ad0d6fbf31d13e6ca7dea1efa" integrity sha512-FryZAVwbUjKTmwXnm1trch/2XO60F5JsDvOkZhzobV1hm10sFLVuZpFyHXiUx7TFeeFsvNP+S77LAtWoeT5z+Q== <del> xterm-addon-webgl@0.12.0-beta.41: version "0.12.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.41.tgz#17dbca975b6e9b34526ebc57f4de59ee295da1b6" integrity sha512-wvQxC5diMYEJEMaILfz+4CWB2GgtzjzNQRNDnK7R7Y9wDI+P4idDlQKgyH0nA93sl9R4zgqlBVha//wuq4vfZg== </del> <ins> xterm-addon-webgl@0.12.0-beta.43: version "0.12.0-beta.43" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.43.tgz#916ed4e390371403aab0d277097cd8a61be436e8" integrity sha512-hGXfwT6TOmp0tBDiS/iF8s0SLHLd3shJ5zQyS4HNtq99B5cEhHhwaUAZAfjLt5rnUt0kvqR9YWtGsDux5dWVLA== </ins> <del> xterm@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.60.tgz#de89d93153ae3ec17b53f3e5d03b8ea859126081" integrity sha512-YQjvp4xtSAyNm9+gF4OA5+QzkSWdKMCy4WABETpe7CsrEGx+mJVoXCZ9wgopmvwRXz7DeJvKM5dWz1HPjVLDtA== </del> <ins> xterm@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.67.tgz#9a7d79be64469c91bb693b9f5a50b5a22e921cd3" integrity sha512-4bYTnT6g91N5QId1qPaiSvkpsxMQYpuPdPJItvBZFOcQLTuFSX85x5NeFuDvhNqi33eMFPimyGhzH/JvAV1v/Q== </ins>

resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f" integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8= <del> xterm-addon-search@0.9.0-beta.39: version "0.9.0-beta.39" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.39.tgz#e8376e1485ee7d763c07d1a8f1354114f65b3e3e" integrity sha512-h45wkecgfqXXoAUqgNytAfSd6g0xNT6rZy/enVaEU0aes7QoL9pxHUKkCry8PP6hs03Slk0VxQ4AGsbSZGvK/w== </del> <ins> xterm-addon-search@0.9.0-beta.41: version "0.9.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.41.tgz#0992da36fe01ff6d71449265a9dabeef7f9d0a3f" integrity sha512-b1vuWR5JZ8QIiObbKkwSzpzf4x0B9hdzGCHJG+PXWT/xbxk65DOe/X9rgrRyOnCWe5ylQGG4DIHTiREigTp0lg== </ins> <del> xterm-addon-serialize@0.7.0-beta.13: version "0.7.0-beta.13" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.13.tgz#5c859c8657cab7f28405aab1a0715daf54bc7714" integrity sha512-TYFlm/gds0pOmpzXw7ZWx8Cy48lMaOZZqZgfm5pWU37HPvzfKxXSVdYL1biWpRCH2zCH+3cWmOma8W1pBRr+Eg== </del> <ins> xterm-addon-serialize@0.7.0-beta.15: version "0.7.0-beta.15" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.15.tgz#0f7d5f9b423802ac67c2a891d74de530a4fe6a65" integrity sha512-gO/dxqGgOAuj7DN2ETTeCHyalkb655XogZh5408CmH5D6mjI1lxqVLGUdiFeBVU/OHfWZT2PZ95k06VXqLU5kA== </ins> xterm-addon-unicode11@0.4.0-beta.3: version "0.4.0-beta.3" resolved "https://registry.yarnpkg.com/xterm-addon-unicode11/-/xterm-addon-unicode11-0.4.0-beta.3.tgz#f350184155fafd5ad0d6fbf31d13e6ca7dea1efa" integrity sha512-FryZAVwbUjKTmwXnm1trch/2XO60F5JsDvOkZhzobV1hm10sFLVuZpFyHXiUx7TFeeFsvNP+S77LAtWoeT5z+Q== <del> xterm-addon-webgl@0.12.0-beta.41: version "0.12.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.41.tgz#17dbca975b6e9b34526ebc57f4de59ee295da1b6" integrity sha512-wvQxC5diMYEJEMaILfz+4CWB2GgtzjzNQRNDnK7R7Y9wDI+P4idDlQKgyH0nA93sl9R4zgqlBVha//wuq4vfZg== </del> <ins> xterm-addon-webgl@0.12.0-beta.43: version "0.12.0-beta.43" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.43.tgz#916ed4e390371403aab0d277097cd8a61be436e8" integrity sha512-hGXfwT6TOmp0tBDiS/iF8s0SLHLd3shJ5zQyS4HNtq99B5cEhHhwaUAZAfjLt5rnUt0kvqR9YWtGsDux5dWVLA== </ins> <del> xterm-headless@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.60.tgz#ccd09a7c69ba487d3fd87d6a8d159f1a6a10e9b2" integrity sha512-mJ24BRnEDCASJDTGFZysZxiXkCmed3eMFiWCPvIF48LVrqxt1cImoVKBlxqkdgUkHKjfF2c92S1TTBL5aT1I0w== </del> <ins> xterm-headless@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.67.tgz#fe44a243974bf307c9a0694114ab45289734c7f9" integrity sha512-rpxUsE/te2LN4B/erI108uaAhuLTUsnRl9zIZgcqMqZGFRqDUTtyVM05jIA/8A32g06wFd3WioTkeKc6ow+sLg== </ins> <del> xterm@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.60.tgz#de89d93153ae3ec17b53f3e5d03b8ea859126081" integrity sha512-YQjvp4xtSAyNm9+gF4OA5+QzkSWdKMCy4WABETpe7CsrEGx+mJVoXCZ9wgopmvwRXz7DeJvKM5dWz1HPjVLDtA== </del> <ins> xterm@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.67.tgz#9a7d79be64469c91bb693b9f5a50b5a22e921cd3" integrity sha512-4bYTnT6g91N5QId1qPaiSvkpsxMQYpuPdPJItvBZFOcQLTuFSX85x5NeFuDvhNqi33eMFPimyGhzH/JvAV1v/Q== </ins> yallist@^4.0.0: version "4.0.0"

dependencies: object-keys "~0.4.0" <del> xterm-addon-search@0.9.0-beta.39: version "0.9.0-beta.39" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.39.tgz#e8376e1485ee7d763c07d1a8f1354114f65b3e3e" integrity sha512-h45wkecgfqXXoAUqgNytAfSd6g0xNT6rZy/enVaEU0aes7QoL9pxHUKkCry8PP6hs03Slk0VxQ4AGsbSZGvK/w== </del> <ins> xterm-addon-search@0.9.0-beta.41: version "0.9.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.41.tgz#0992da36fe01ff6d71449265a9dabeef7f9d0a3f" integrity sha512-b1vuWR5JZ8QIiObbKkwSzpzf4x0B9hdzGCHJG+PXWT/xbxk65DOe/X9rgrRyOnCWe5ylQGG4DIHTiREigTp0lg== </ins> <del> xterm-addon-serialize@0.7.0-beta.13: version "0.7.0-beta.13" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.13.tgz#5c859c8657cab7f28405aab1a0715daf54bc7714" integrity sha512-TYFlm/gds0pOmpzXw7ZWx8Cy48lMaOZZqZgfm5pWU37HPvzfKxXSVdYL1biWpRCH2zCH+3cWmOma8W1pBRr+Eg== </del> <ins> xterm-addon-serialize@0.7.0-beta.15: version "0.7.0-beta.15" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.15.tgz#0f7d5f9b423802ac67c2a891d74de530a4fe6a65" integrity sha512-gO/dxqGgOAuj7DN2ETTeCHyalkb655XogZh5408CmH5D6mjI1lxqVLGUdiFeBVU/OHfWZT2PZ95k06VXqLU5kA== </ins> xterm-addon-unicode11@0.4.0-beta.3: version "0.4.0-beta.3" resolved "https://registry.yarnpkg.com/xterm-addon-unicode11/-/xterm-addon-unicode11-0.4.0-beta.3.tgz#f350184155fafd5ad0d6fbf31d13e6ca7dea1efa" integrity sha512-FryZAVwbUjKTmwXnm1trch/2XO60F5JsDvOkZhzobV1hm10sFLVuZpFyHXiUx7TFeeFsvNP+S77LAtWoeT5z+Q== <del> xterm-addon-webgl@0.12.0-beta.41: version "0.12.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.41.tgz#17dbca975b6e9b34526ebc57f4de59ee295da1b6" integrity sha512-wvQxC5diMYEJEMaILfz+4CWB2GgtzjzNQRNDnK7R7Y9wDI+P4idDlQKgyH0nA93sl9R4zgqlBVha//wuq4vfZg== </del> <ins> xterm-addon-webgl@0.12.0-beta.43: version "0.12.0-beta.43" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.43.tgz#916ed4e390371403aab0d277097cd8a61be436e8" integrity sha512-hGXfwT6TOmp0tBDiS/iF8s0SLHLd3shJ5zQyS4HNtq99B5cEhHhwaUAZAfjLt5rnUt0kvqR9YWtGsDux5dWVLA== </ins> <del> xterm-headless@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.60.tgz#ccd09a7c69ba487d3fd87d6a8d159f1a6a10e9b2" integrity sha512-mJ24BRnEDCASJDTGFZysZxiXkCmed3eMFiWCPvIF48LVrqxt1cImoVKBlxqkdgUkHKjfF2c92S1TTBL5aT1I0w== </del> <ins> xterm-headless@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.67.tgz#fe44a243974bf307c9a0694114ab45289734c7f9" integrity sha512-rpxUsE/te2LN4B/erI108uaAhuLTUsnRl9zIZgcqMqZGFRqDUTtyVM05jIA/8A32g06wFd3WioTkeKc6ow+sLg== </ins> <del> xterm@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.60.tgz#de89d93153ae3ec17b53f3e5d03b8ea859126081" integrity sha512-YQjvp4xtSAyNm9+gF4OA5+QzkSWdKMCy4WABETpe7CsrEGx+mJVoXCZ9wgopmvwRXz7DeJvKM5dWz1HPjVLDtA== </del> <ins> xterm@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.67.tgz#9a7d79be64469c91bb693b9f5a50b5a22e921cd3" integrity sha512-4bYTnT6g91N5QId1qPaiSvkpsxMQYpuPdPJItvBZFOcQLTuFSX85x5NeFuDvhNqi33eMFPimyGhzH/JvAV1v/Q== </ins> y18n@^3.2.1: version "3.2.2"