: This version is considered a legacy release. Later versions (2019.1 and onward) require a 64-bit OS because they use JDK 11, which does not support 32-bit systems. : You can still find this specific build on the JetBrains Other Versions page by scrolling to the 2018.3 section. Python Compatibility
Many corporations still run critical financial, scientific, or embedded systems on Python 2.7. Newer PyCharm versions nag about removing 2.7 support (officially dropped after 2020.1). 2018.3.7 treats Python 2.7 as a first-class citizen. jetbrains pycharm community edition 2018.3.7
While JetBrains has moved to a "Unified PyCharm" model in more recent releases, version 2018.3.7 holds a unique place in the software's history: : This version is considered a legacy release
: Redesigned the "Search Everywhere" (double-shift) dialog for better usability and result filtering. On-demand Variable Loading While JetBrains has moved to a "Unified PyCharm"