OTR_v201902170 -> 현재 최신 버전
OTR_v201806140
OTR_v201704180
——————오픈 베타 시작——————
*오픈 베타에서는 모든 사용자들이 사용 가능*
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OTR_v201612100 -> 클로즈 베타 마지막 버전
OTR_v201612060
OTR_v201612052
OTR_v201612051
OTR_v201612050
OTR_v201612040
OTR_v201612031
OTR_v201612030
OTR_v201612020
OTR_v201611304
OTR_v201611303
OTR_v201611302
OTR_v201611301
OTR_v201611300
OTR_v201611290
OTR_v201611280
OTR_v201611270
OTR_v201611251
OTR_v201611250
OTR_v201611241
OTR_v201611240
OTR_v201611221
OTR_v201611220
OTR_v201611212
OTR_v201611211
OTR_v201611210
OTR_v201611180
OTR_v201611170 -> 개명 후 첫 버전
ProjectSchool_v201611161
ProjectSchool_v201611160
ProjectSchool_v201611150 -> 첫 버전
——————클로즈 베타 시작——————
*클로즈 베타에서는 제한된 사용자만 사용 가능*
——————————————————–