Port kernel finder change to release (#4799)

* Fix duplicate kernel generation (#4790)

* Fix duplicate kernel generation

* Fix functional tests

* Update changelog

* Actually use stable

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## 2021.2.1 (16 February 2021)
+## 2021.2.0 (17 February 2021)
 
 ### Enhancements
 
@@ -101,6 +101,8 @@
    ([#4713](https://github.com/Microsoft/vscode-jupyter/issues/4713))
 1. If .NET interactive is installed, make sure to use the new notebook editor.
    ([#4771](https://github.com/Microsoft/vscode-jupyter/issues/4771))
+1. Fixes problem with duplicate jupyter kernels being generated.
+   ([#4720](https://github.com/Microsoft/vscode-jupyter/issues/4720))
 
 ### Code Health
 

package.json

@@ -1897,11 +1897,11 @@
         "testJediLSP": "node ./out/test/languageServers/jedi/lspSetup.js && cross-env CODE_TESTS_WORKSPACE=src/test VSC_JUPYTER_CI_TEST_GREP='Language Server:' node ./out/test/testBootstrap.js ./out/test/standardTest.js && node ./out/test/languageServers/jedi/lspTeardown.js",
         "pretestVSCode": "cross-env VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable node ./out/test/datascience/dsTestSetup.js",
         "testVSCode": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
-        "pretestNativeNotebooksInVSCode": "cross-env VSC_JUPYTER_CI_TEST_VSC_CHANNEL=insiders VSC_JUPYTER_RUN_NB_TEST=true node ./out/test/datascience/dsTestSetup.js",
-        "testNativeNotebooksInVSCode": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=insiders VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
-        "pretestNativeNotebooksWithoutPythonInVSCode": "cross-env VSC_JUPYTER_CI_TEST_VSC_CHANNEL=insiders VSC_JUPYTER_RUN_NB_TEST=true node ./out/test/datascience/dsTestSetup.js",
-        "testNativeNotebooksWithoutPythonInVSCode": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=insiders VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true VSC_JUPYTER_CI_TEST_GREP=non-python-kernel VSC_JUPYTER_CI_TEST_DO_NOT_INSTALL_PYTHON_EXT=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
-        "testNativeNotebooksAndWebviews": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=insiders VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_CI_TEST_GREP=webview-test VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
+        "pretestNativeNotebooksInVSCode": "cross-env VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable VSC_JUPYTER_RUN_NB_TEST=true node ./out/test/datascience/dsTestSetup.js",
+        "testNativeNotebooksInVSCode": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
+        "pretestNativeNotebooksWithoutPythonInVSCode": "cross-env VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable VSC_JUPYTER_RUN_NB_TEST=true node ./out/test/datascience/dsTestSetup.js",
+        "testNativeNotebooksWithoutPythonInVSCode": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true VSC_JUPYTER_CI_TEST_GREP=non-python-kernel VSC_JUPYTER_CI_TEST_DO_NOT_INSTALL_PYTHON_EXT=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
+        "testNativeNotebooksAndWebviews": "cross-env CODE_TESTS_WORKSPACE=src/test/datascience VSC_JUPYTER_CI_TEST_VSC_CHANNEL=stable VSC_JUPYTER_RUN_NB_TEST=true TEST_FILES_SUFFIX=vscode.test VSC_JUPYTER_FORCE_LOGGING=1 VSC_JUPYTER_CI_TEST_GREP=webview-test VSC_JUPYTER_LOAD_EXPERIMENTS_FROM_FILE=true node ./out/test/testBootstrap.js ./out/test/standardTest.js",
         "testPerformance": "node ./out/test/testBootstrap.js ./out/test/performanceTest.js",
         "testSmoke": "node ./out/test/testBootstrap.js ./out/test/smokeTest.js",
         "testSmokeLogged": "cross-env VSC_JUPYTER_FORCE_LOGGING=true VSC_JUPYTER_LOG_FILE=smoke-test.log node --no-force-async-hooks-checks ./out/test/testBootstrap.js ./out/test/smokeTest.js",