Issue #2969107 by raman.b, matiasmiranda, kkalashnikov, L-four, daffie, Lendude: 500 error on passing invalid month to MonthDate view argument handler

Issue #2942489 by idebr, Vidushi Mehta, susannecoates, Mukeysh, markconroy, TaoStyle, matias, HAL 9000, seeallie: Links in footer could be more accessible

Issue #2960797 by seeallie, susannecoates, TaoStyle, matias, ChrisDarke: Footer of Umami, [find out more] links the whole div