Version 3.5 - pgAdmin 4 4.20 documentation

Issue #1253 - Save the treeview state periodically, and restore it automatically when reconnecting.

Issue #3562 - Migrate from Bootstrap 3 to Bootstrap 4.

Issue #3232 - Ensure that Utilities(Backup/Restore/Maintenence/Import-Export) should not be started if binary path is wrong and also added ‘Stop Process’ button to cancel the process.

Issue #3638 - Fix syntax error when creating new pgAgent schedules with a start date/time and exception.

Issue #3674 - Cleanup session files periodically.

Issue #3660 - Rename the ‘SQL Editor’ section of the Preferences to ‘Query Tool’ as it applies to the whole tool, not just the editor.

Issue #3700 - Fix connection garbage collector.

Issue #3703 - Purge connections from the cache on logout.

Issue #3722 - Ensure that utility existence check should work for schema and other child objects while taking Backup/Restore.

Issue #3730 - Fixed fatal error while launching the pgAdmin4 3.5. Update the version of the Flask to 0.12.4 for release.