Sourced from pex's releases.

pex 2.1.6

---

2.1.6

This is a hotfix release that fixes a bug in the code that exposes vendored dists.

• Don't delete the root init.py when devendoring. (#915)
• Remove unused Interpreter.clear_cache. (#911)

pex 2.1.5

---

2.1.5

• Silence pip warnings about Python 2.7. (#908)
• Kill Pip.spawn_install_wheel overwrite arg. (#907)
• Show pex-root from env as default in help output (#901)

pex 2.1.4

---

2.1.4

This release fixes the hermeticity of pip resolver executions when the resolver is called via the Pex API in an environment with PYTHONPATH set.

• readme: adding a TOC (#900)
• Fix Pex resolver API PYTHONPATH hermeticity. (#895)
• Fixup resolve debug rendering. (#894)
• Convert bdist_pex tests to explicit cmdclass. (#897)

pex 2.1.3

---

2.1.3

This release fixes a performance regression in which pip would re-tokenize --find-links pages unnecessarily. The parsed pages are now cached in a pip patch that has also been submitted upstream.

• Revendor pip (#890)
• Add a clear_cache() method to PythonInterpreter. (#885)
• Error eagerly if an interpreter binary doesn't exist. (#886)

pex 2.1.2

---

... (truncated)

Sourced from pex's changelog.

Release Notes

2.1.5

• Don't delete the root __init__.py when devendoring. (#915) [PR #915](pantsbuild/pex#915)
• Remove unused Interpreter.clear_cache. (#911) [PR #911](pantsbuild/pex#911)

2.1.5

• Silence pip warnings about Python 2.7. (#908) [PR #908](pantsbuild/pex#908)
• Kill Pip.spawn_install_wheel overwrite arg. (#907) [PR #907](pantsbuild/pex#907)
• Show pex-root from env as default in help output (#901) [PR #901](pantsbuild/pex#901)

2.1.4

This release fixes the hermeticity of pip resolver executions when the resolver is called via the Pex API in an environment with PYTHONPATH set.

• readme: adding a TOC (#900) [PR #900](pantsbuild/pex#900)
• Fix Pex resolver API PYTHONPATH hermeticity. (#895) [PR #895](pantsbuild/pex#895)
• Fixup resolve debug rendering. (#894) [PR #894](pantsbuild/pex#894)
• Convert bdist_pex tests to explicit cmdclass. (#897) [PR #897](pantsbuild/pex#897)

2.1.3

This release fixes a performance regression in which pip would re-tokenize --find-links pages unnecessarily. The parsed pages are now cached in a pip patch that has also been submitted upstream.

• Revendor pip (#890) [PR #890](pantsbuild/pex#890)
• Add a clear_cache() method to PythonInterpreter. (#885) [PR #885](pantsbuild/pex#885)
• Error eagerly if an interpreter binary doesn't exist. (#886) [PR #886](pantsbuild/pex#886)

2.1.2

This release fixes a bug in which interpreter discovery failed when running from a zipped pex.

• Use pkg_resources when isolating a pex code chroot. (#881) [PR #881](pantsbuild/pex#881)

2.1.1

This release significantly improves performance and correctness of interpreter discovery, particularly when pyenv is involved. It also provides a workaround for EPERM issues when hard linking across devices, by falling back to copying. Resolve error checking also now accounts for environment markers.

• Revert "Fix the resolve check in the presence of platform constraints. (#877)" (#879) [PR #879](pantsbuild/pex#879)
• [resolver] Fix issue with wheel when using --index-url option (#865) [PR #865](pantsbuild/pex#865)
• Fix the resolve check in the presence of platform constraints. (#877) [PR #877](pantsbuild/pex#877)

... (truncated)

• a07954a Prepare the 2.1.6 release. (#916)
• bf66b72 Don't delete the root init.py when devendoring. (#915)
• 128c03d Remove unused Interpreter.clear_cache. (#911)
• 4bd825a Prepare the 2.1.5 release. (#910)
• 91159b3 Silence pip warnings about Python 2.7. (#908)
• 7784f17 Kill Pip.spawn_install_wheel overwrite arg. (#907)
• 2befa56 Show pex-root from env as default in help output (#901)
• fad5f75 Prepare the 2.1.4 release. (#903)
• de5097f readme: adding a TOC (#900)
• a484675 Fix Pex resolver API PYTHONPATH hermeticity. (#895)
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