The forthcoming Angular Reports interface will replace the very inaccessible legacy Reports screens.
That leaves the bugs related to Serials modals. I'm inclined to open a new bug for those and close this one (maybe as a duplicate of bug 1999158), if there are no objections.
For the Angular interfaces, most of these issues have now been addressed in other bugs:
Org unit selectors: bug 1999158 and bug 2043899
Organization Types trees: bug 1993825
Date/time select: bug 2043421
The forthcoming Angular Reports interface will replace the very inaccessible legacy Reports screens.
That leaves the bugs related to Serials modals. I'm inclined to open a new bug for those and close this one (maybe as a duplicate of bug 1999158), if there are no objections.