[2] As of October 2018, the design work had been completed, and according to the General Director of TsNIITochMash, the first prototype was under construction.

[4] In an interview with RIA Novosti published in August 2023, Dmitry Yuryevich Semizorovchief, chief director of TsNIITochMash, confirmed that from October 2020 to March 2022, Lotos underwent preliminary trials.

[5] Due to the need for new modules on the 2S42, the original BMD-4M hull was lengthened, while maintaining the layout and protection level.

[2] For self-defense, the Lotos is fitted with a remotely controlled weapon station, armed with a 7.62 mm machine gun.

[3] In late March of 2024 a 2S42 was sighted with additional slat armor and camouflage netting being transported by a truck which was supposedly heading to (or from) Ukraine, where the 2S42 was speculated to be carrying out combat trials.