20 March 2017
- 17:5617:56, 20 March 2017 diff hist +232 Connecticut/Cities and towns →Regional GIS: Add South Central Regional Council of Governments
11 March 2017
- 10:0510:05, 11 March 2017 diff hist +11 Connecticut/Cities and towns →H: Added sub-city Higganum to Haddam
- 10:0410:04, 11 March 2017 diff hist +32 Connecticut/Cities and towns →S: Add sub-city Mystic to Stonington (also added to Groton)
- 10:0210:02, 11 March 2017 diff hist +36 Connecticut/Cities and towns →G: Add sub-city Mystic to Groton (also added to Stonington)
- 10:0110:01, 11 March 2017 diff hist +9 Connecticut/Cities and towns →P: Add sub-city Moosup to Plainfield
- 10:0010:00, 11 March 2017 diff hist +14 Connecticut/Cities and towns →G: Add sub-city Jewett City to Griswold
- 09:5909:59, 11 March 2017 diff hist +13 Connecticut/Cities and towns →P: Add sub-city Terryville to Plymouth
- 09:5809:58, 11 March 2017 diff hist +19 Connecticut/Cities and towns →S: Add sub-city Stafford Springs to Stafford
- 09:5709:57, 11 March 2017 diff hist +30 Connecticut/Cities and towns →E: Add sub-cities Hazardville & Thompsonvill to Enfield
- 09:2309:23, 11 March 2017 diff hist +107 Connecticut/Cities and towns Clarified Primary/Alt Naming for Cities/Towns
- 09:2109:21, 11 March 2017 diff hist +9 Connecticut/Cities and towns →E: Add Moodus as sub-town of E Haddam
9 March 2017
- 18:2118:21, 9 March 2017 diff hist +9 Connecticut/Cities and towns →M: Removed Monroe GIS (dead link, same as on town website); Added Monroe PLAT
24 May 2016
- 01:1301:13, 24 May 2016 diff hist +12 Connecticut/Cities and towns →V: Add Rockville under Vernon
21 May 2016
- 00:2800:28, 21 May 2016 diff hist +46 Connecticut/Cities and towns →S: Add Simsbury GIS
13 May 2016
- 00:4400:44, 13 May 2016 diff hist −4 Connecticut/Notice/Main →Notice/Main
- 00:4300:43, 13 May 2016 diff hist +713 Connecticut/Notice/Main →Notice/Main: Add SL Info
- 00:3000:30, 13 May 2016 diff hist +109 Connecticut/Resources/Main →Resources/Main: Add CT DOT OSTA Speed Limit Lists & Update Press Release Link to Year-by-Year listing (not just the specific year)
25 April 2016
- 07:3107:31, 25 April 2016 diff hist −2 Connecticut/Cities and towns →S: Update Stonington GIS
8 April 2016
- 16:4416:44, 8 April 2016 diff hist +69 Connecticut/Cities and towns →D: Add Durham PLAT Maps
7 April 2016
- 20:1020:10, 7 April 2016 diff hist −11 Connecticut/Cities and towns →S: Update Southington GIS