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This changelog summarizes major changes between GraalVM versions of the Python
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language runtime. The main focus is on user-observable behavior of the engine.
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- ## Version 20.2
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+ ## Version 20.2.0
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* Escaping Unicode characters using the character names in strings like "\N{GREEK CAPITAL LETTER DELTA}".
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* When a ` *.py ` file is imported, ` *.pyc ` file is created. It contains binary data to speed up parsing.
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* Adding option ` PyCachePrefix ` , which is equivalent to PYTHONPYCACHEPREFIX environment variable, which is also accepted now.
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* Adding optin ` DontWriteBytecodeFlag ` . Equivalent to the Python -B flag. Don't write bytecode files.
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* Command option -B works
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+ * Implement better reference counting for native extensions to fix memory leaks
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+ * Fix a warning in pandas about size of datetime objects
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+ * Make many more CPython unittests pass for core types
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+ * Support parse requests with arguments for embedding Python to light up GraalVM Insight support
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+ * Support basic tox usage when forcing virtualenv to use venv
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+ * No longer support iterables as arrays in interop
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+ * Add initial support for HPy native extensions
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+ * Support magic encoding comments in Python files
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+ * Improve chaining of exception tracebacks - the tracebacks should now be much closer to CPython and more helpful
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## Version 20.1.0
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