* Adds missing requests sub dependencies (#2221)
* Bumps to Gradle 6.4.1 (#2222)
* Bumps to Cython==0.29.19 (#2220)
* Updates install and troubleshooting docs (#2219)
* Bumps to Ubuntu 20.04 (#2218)
* Attempt to improve the issue template (#2217)
* Add `opencv_extras` recipe (#2209)
* Split logic for build modes & debug symbols (#2213)
* Troubleshoot SSL error (#2205)
* Remove superfluous recipes fixes (#2202)
* Add tests for hostpython3 recipe (#2196)
* Fix for 'cannot find setuptools module' (#2195)
* Rename `Hostpython3Recipe` class to camel case (#2194)
* Fix `test_should_build` (#2193)
* Add initial tests for python3 recipe (#2192)
* PythonActivityUtil helper for unpacking data (#2189)
* Fixes flake8 errors post update (#2191)
* Share PythonUtil.java between bootstraps (#2188)
* Java code linting using PMD 6.23.0 (#2187)
* Deletes deprecated renpy Python{Activity,Service}.java (#2186)
* Removes java concurrency/ folder (#2185)
* Reuse common AssetExtract.java (#2182)
* Use common Hardware.java (#2183)
* Moves kamranzafar/ java directory to common/ (#2184)
* Updates release documentation (#2177)
* Fixes service only unittest loading (#2181)
* Narrows some context manager scopes (#2179)
* Downgrades to SDL2 2.0.9 (#2180)
* Bump to SDL2 2.0.10 & extract .java from SDL2 tarball (#2113)
* Adds pygame recipe (#2164)
* Adds macOS install instructions (2165)
* Removed python2 support mention from README (#2162)
* Adding more assets (#2132)
* Get --add-source working for dirs in Gradle builds (#2156)
* Fixes python build with macOS venv (#2159)