Release 2020.2 "Brown paper bag" release that actually sets the `is_release_build=yes` flag and also fixes the `Since:` on a few new functions. Git-EVTag-v0-SHA512: 0adf090dcafc39ff06e8269b220e626c32256b599311d2c16758c0ce59e96dbfb9788a759710663c19b515190d1ac5a1dd1b1d46a476d4d11b92fc71ad5c0659