Implements #1376, #1361, #1354

Implements #1376, #1361, #1354

Implements issues #1326 and #1361

Implements issues #1326 and #1361 and fixes to visual feedback when tagging and untagging observations

Last fix for #1341

Last fix for #1341

First formal "v2" release

• From the production branch (2.0.16)

implements #1283, #1340, #1341

implements #1283, #1340, #1341

#1324

#1324

Implements #1277

Implements #1277

Additional fixes for #1321

Additional fixes for #1321

#1321

#1321

implements issues #1295, #1300, #1315

implements issues #1295, #1300, #1315