[Changelog] mention new entity networks and gmsh writer

10 jobs for v1.2 in 10 minutes and 34 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build
passed build clang-10 occ-7.5 #6537

00:05:10

passed build clang-8 occ-7.3 #6536

00:05:06

passed build_doc #6533

00:02:05

passed build gcc-7 occ-7.3 #6534

00:06:00

passed build gcc-9 occ-7.5 #6535

00:05:28

 
  Test
passed test clang-10 occ-7.5 #6541

00:01:48

passed test clang-8 occ-7.3 #6540

00:01:52

passed test gcc-7 occ-7.3 #6538

00:03:17

passed test gcc-9 occ-7.5 #6539

00:01:45

 
  Coverage
passed coverage report #6542

00:01:13

94.0%