It's Version 2, on 19.1R1.6
Hostname: MLB-vSRX-RTR1
JUNOS OS Kernel 64-bit [20190305.df99236_builder_stable_11]
JUNOS OS libs [20190305.df99236_builder_stable_11]
JUNOS OS runtime [20190305.df99236_builder_stable_11]
JUNOS OS time zone information [20190305.df99236_builder_stable_11]
JUNOS OS libs compat32 [20190305.df99236_builder_stable_11]
JUNOS OS 32-bit compatibility [20190305.df99236_builder_stable_11]
JUNOS py extensions [20190321.051058_builder_junos_191_r1]
JUNOS py base [20190321.051058_builder_junos_191_r1]
JUNOS OS vmguest [20190305.df99236_builder_stable_11]
JUNOS OS crypto [20190305.df99236_builder_stable_11]
JUNOS network stack and utilities [20190321.051058_builder_junos_191_r1]
JUNOS libs [20190321.051058_builder_junos_191_r1]
JUNOS libs compat32 [20190321.051058_builder_junos_191_r1]
JUNOS runtime [20190321.051058_builder_junos_191_r1]
JUNOS na telemetry [19.1R1.6]
JUNOS Web Management Platform Package [20190321.051058_builder_junos_191_r1]
JUNOS srx libs compat32 [20190321.051058_builder_junos_191_r1]
JUNOS srx runtime [20190321.051058_builder_junos_191_r1]
JUNOS srx platform support [20190321.051058_builder_junos_191_r1]
JUNOS common platform support [20190321.051058_builder_junos_191_r1]
JUNOS srxtvp runtime [20190321.051058_builder_junos_191_r1]
JUNOS pppoe [20190321.051058_builder_junos_191_r1]
JUNOS Openconfig [19.1R1.6]
JUNOS mtx network modules [20190321.051058_builder_junos_191_r1]
JUNOS modules [20190321.051058_builder_junos_191_r1]
JUNOS srxtvp modules [20190321.051058_builder_junos_191_r1]
JUNOS srxtvp libs [20190321.051058_builder_junos_191_r1]
JUNOS srx libs [20190321.051058_builder_junos_191_r1]
JUNOS srx Data Plane Crypto Support [20190321.051058_builder_junos_191_r1]
JUNOS daemons [20190321.051058_builder_junos_191_r1]
JUNOS srx daemons [20190321.051058_builder_junos_191_r1]
JUNOS SRX TVP AppQos Daemon [20190321.051058_builder_junos_191_r1]
JUNOS High End AppQos Daemon [20190321.051058_builder_junos_191_r1]
JUNOS Extension Toolkit [20190321.051058_builder_junos_191_r1]
JUNOS Phone-home [20190321.051058_builder_junos_191_r1]
JUNOS J-Insight [20190321.051058_builder_junos_191_r1]
JUNOS Online Documentation [20190321.051058_builder_junos_191_r1]
JUNOS jail runtime [20190305.df99236_builder_stable_11]
JUNOS FIPS mode utilities [20190321.051058_builder_junos_191_r1]