docs: Mention popovers in the migration guide
authorMatthias Clasen <mclasen@redhat.com>
Tue, 28 Sep 2021 19:47:06 +0000 (15:47 -0400)
committerMatthias Clasen <mclasen@redhat.com>
Tue, 28 Sep 2021 19:47:06 +0000 (15:47 -0400)
commit83b434d6a506326f4a2948cca9396af9e94bd13d
tree9cc99dae9a3400390bd92d9388553c601736bc4d
parent2c9a2e94c834b9e93dc67cf1c14d738e7984a1de
docs: Mention popovers in the migration guide

Things have changed around popovers, we should mention
that.
docs/reference/gtk/migrating-3to4.md