Photo via Ministry of Defense of Republic of Serbia, 12MAY2019.
It is armed with the M15 remote controlled weapon station (RCWS), with a 12.7mm heavy machine gun, or a much larger turret with a 30mm gun.
Photo via Ministry of Defense of Republic of Serbia, 21DEC2022.
The infantry inside the vehicle can fire their personal weapons through gun ports on the sides.
Photo via Ministry of Defense of Republic of Serbia, 11NOV2022.
Photo via Ministry of Defense of Republic of Serbia, 05SEP2022.
In August 2020, the Serbian Armed Forces announced a “major step forward” with the full production of a new 8×8 Armored Personnel Carrier (APC); the Lazar-3.
Serbian Defense Ministry promotional video, released 10AUG2020:
Photo via Ministry of Defense of Republic of Serbia, 05DEC2019.
The motor is located in the front. The armor is claimed to be of ‘modern’ type, which includes anti-mine armor. The vehicle is air conditioned. Maximum speed is 110-kilometers per hour. It can drive a 60% gradient, a 30% side slope, overcome half-meter tall vertical obstacles, cross 2-meter trenches, and ford 1.6-meter deep water obstacles.
Photo via Ministry of Defense of Republic of Serbia, 05DEC2019.
Serbian Defense Ministry video, 17DEC2019:
Photo via Ministry of Defense of Republic of Serbia, 05DEC2019.
In July 2019, it was announced that production orders were being increased.
Photo via Ministry of Defense of Republic of Serbia, 25JUL2019.
Photo via Ministry of Defense of Republic of Serbia, 25JUL2019.
The Lazar-3 was officially introduced in 2018.
Photo via Ministry of Defense of Republic of Serbia, 20DEC2018.
Serbian Defense Ministry video, officially revealing the Lazar-3, 20DEC2018:
Photo via Ministry of Defense of Republic of Serbia, 12MAR2017.
Factory fresh Lazar-3, March 2017.
The Lazar-3 has been in development since 2015.
Cold War to Ukraine Crisis: 
MAINTAINING YOUR GAZELLE, THE SERBIAN WAY!