Generic - all Soviet divisions can tow ZIS-2 and ZIS-3 guns by unarmed Dodge WC-52, M-30 howitzers by ZIS-42 and 85mm heavy AA by unarmed M2 half-tracks, if they have access to those transports. Some divisions already could do so, but now all of them can.
Removed 76mm support guns from all USSR Tank and Mechanized Corps, as ahistorical.
Replaced Avtomatchicki squads in all Soviet Tank Corps with Mot.Avtomatchiki unit, with loadout of 10 PPSh, 1 DP and AT grenades, and 8/16/24 vet1 availability.
In USSR Mechanized Corps amount of Avtomatchicki reduced to 2 cards, but additionally added 3 cards of Mot.Avtos there.
Soviet Guards rifle divisions standartized at 5 cards of Avtomatchicki and also got 1 more card of Gv. Komroti.
Recon units with access to armed Dodge WC-52 transports can also use their unarmed version - some couldn't previously.
Mot.Razvedka squads can no longer use BA-20 as transports.
Recon and line infantry units can no longer use Voroshilovets as transports, except for engineers.
All Vzvod PTR can use WC-52 as transports.
ZIS-42 halftracks removed from Soviet heavy artillery - aka, 122+mm arty, except for M-30 howitzers.
Note: all newly added unit cards have the same availability per card as base game ones, unless stated otherwise.

2-y Gvard. Tankovy Korpus - 2 GTC finally matches its description and historical counterpart, being totally reequipped with T-34/85. 345th heavy SPG regiment, tasked with providing fire support, finally rearmed with accurate ISU-122. Unfortunately, regiment got spread out in process, so only some batteries are available to 2 GTC.
(2GvTK) Added 2 cards of ISU-122.
(2GvTK) Added one more card each of T-34-85 leaders, Maxim MMG and 82mm mortars.
(2GvTK) Added 4 cards of T-34-85.43.
(2GvTK) Added 2 more cards of BM-13 MLRS and made them available in all Phases.
(2GvTK) SG-43 MMG are available in all Phases now.
(2GvTK) T-34/76 Razvedka restricted to Phase A. 2 GTC had only 3 T-34/76, the rest were T-34/85 (T-34/76 were used only for training).
(2GvTK) Removed BA-10 and ISU-152.
(2GvTK) Removed all T-34/76 from tank tab.
(2GvTK) Removed Doushka trucks, except for AA transports.
(2GvTK) Removed all 76mm F-22 guns from arty tab and 1 card of Gvardiya.

3-y Gvard. Tankovy Korpus - 3 GTC tank tab was overhauled, according to Soviet sources - documents indicate Korpus being at 1/3 equipped with lend-lease tanks, and at 2/3 with domestic T-34 of various types. 5th Guards Tank Army command has transferred IS-2 companies, supporting 3 GTC, to army reserve.
(3GvTK) Added 1 card each of T-34/76 Komroti and T-34/85 Komroti.
(3GvTK) Added 2 cards of T-34/76.42 and 1 T-34/76.43 card.
(3GvTK) Added 3 cards of T-34/85.43 and 2 cards of T-34/85.44.
(3GvTK) Added one card of Vzvod PTR (5/10/-).
(3GvTK) Added 1 card of Valentine VII Komroti (3/-/-, vet1).
(3GvTK) Added 2 full cards of SU-57.
(3GvTK) 1 card of Emcha Komroti restricted to phases A/B, second card of Emcha Komroti removed. 3 GTC had only 1 tank brigade with lend-lease tanks (2/3 Emcha, 1/3 Valentine), other two brigades used T-34.
(3GvTK) Added 3 cards of BM-13 (2/4/-) and 1 card of M-30 howitzers (3/6/-).
(3GvTK) Added 1 card of ZIS-2 AT guns (3/-/-).
(3GvTK) Added one more card of Maxim MMG and 82mm mortars.
(3GvTK) SG-43 MMG are available in all Phases now.
(3GvTK) Removed all BA-10, IS-2 and 3 cards of Emcha.
(3GvTK) Removed 1 card of 76mm ZIS-3 guns from arty tab and 1 card of Gvardiya.
(3GvTK) Removed 1 card of 45mm AT guns, and restricted second card to phase A.

10-y Gvard. Tankovy Korpus - according to 4th Tank Army reports, Uralsky Voluntary Tank Corps had much better AA and antitank defence then in-game description indicates. 10th Corps had only 20 76mm guns of all types total, but used heavy AA for AT duty, same as 3 GTC. 51st Independent Motorcycle Regiment had only 5 operational Tigers and 2 Panthers. "Sekrit documents" suggest that 10 GTC rocket artillery unit was equipped with Katyusha. 10 GTC had only 3 SU-85 total, and increased veterancy makes them more viable choice.
(10GvTK) Added A-only card of KV-1S leader tanks.
(10GvTK) Added 2 cards each of ZIS-2 AT guns and Zen. Art. 85mm obr. 44.
(10GvTK) Added one more card of Razvedka.
(10GvTK) Added one card of Vzvod PTR (5/10/-).
(10GvTK) Replaced one BM-31 card with 2 BM-13 cards.
(10GvTK) Decreased T-6 "Tigr" availablity from 3/6/- to 2/4/-, with base vet1.
(10GvTK) Modified SU-85 card: availability decreased from 4 to 3, also received base vet1.
(10GvTK) Replaced Valentine III recon tanks with recon T-34/76.
(10GvTK) Replaced non-ace card of P-39 fighters with Yak-3 fighters.
(10GvTK) Decreased availablity of P-39 ace fighters from 3/6/9 to 2/4/6.
(10GvTK) Added one more card of Maxim MMG.
(10GvTK) SU-122 are no longer available in Phase A.
(10GvTK) SG-43 MMG are available in all Phases now.
(10GvTK) WLA PM-37 mortars are split into 2 cards with 4/8/- availability.
(10GvTK) Removed 1 card each of Gvardiya, 45mm AT guns, and all BA-10.

19-y Tankovy Korpus - in late August 1944, 19th TC had two SU-85 regiments with more then 30 operational SPG.
(19TK) Added 1 more card of SU-85.
(19TK) Added 1 card of Strelki (SVT) (9/-/-).
(19TK) Added 1 card of SU-57(4/-/-).
(19TK) WLA PM-37 mortars are restricted to Phase A.
(19TK) Replaced Matador supply trucks with STZ-5 supply trucks.
(19TK) Added 3 M3A1 Scout APC and 4 BA-64 as transports for smaller recon squads.

29-y Tankovy Korpus - according to 5th Guards Tank Army reports, 29 TC had 169 T-34 tanks, according to Korpus itself, 182 T-34, and in-game can deploy only around 148. Added missing T-34.
(29TK) Added 2 cards of Gvardiya and 1 card of Gv.Komroti, all restricted to B/C phases.
(29TK) Added 4 more cards of T-34/85.43, and 1 more card each of BM-13 MLRS, T-34/76.42, and ZIS-3 AT guns.
(29TK) ZIS-2 AT guns are now available in all phases now, but second ZIS-2 card was removed.
(29TK) Replaced P-39Q fighters with Yak-9T, rocket P-39N with IL-2M3 and BA-20 recon armoured cars with BA-64.
(29TK) Restricted Gvardiya (DP) to B/C phases, and removed all halftracks from it.
(29TK) Removed all 45mm AT guns, Valentine tanks, and WLA 82mm mortars.
(29TK) Reduced total amount of Strelki, 82mm mortars and Maxim MMG to 2 cards each.
(29TK) SU-57 are now restricted to Phase A.

3-y Gvard. Mechanizi. Korpus - 1510th light SPG regiment from 3 GMC was trained to fire as artillery and took part in artillery barrage at the begining of Operation Bagration, as well as provided direct fire support. 3 GMC used heavy AA for AT duty, same as 3 and 10 GTC.
(3GvMK) Added 2 more SG-43 MMG cards and 4 cards of Maxims. SG-43 are also available in all Phases now.
(3GvMK) Added one card of Vzvod PTR.
(3GvMK) Non-ace card of SU-76M PT was moved to artillery tab. Availability is set similar to other arty SU-76M.
(3GvMK) Removed M-42 AT guns. Instead, total amount of ZIS-2 cards increased to 4.
(3GvMK) Replaced BM-8-24 card with 2 cards of BM-13.
(3GvMK) Replaced P-39N fighters with Yak-9T and ground attack P-39Q with LaGG-3.
(3GvMK) Removed Dodge WC-51 transport from Partisani Snipers. No other Partisan units can use them, so I think it was an oversight.
(3GvMK) Restricted 37mm 61-K AA to A/B phases.

7-y Mechanizi. Korpus - 7 MC has finally received their brand new T-34/85, and a rest of historical equipment and support units. 352nd heavy SPG regiment was sent back to 4-ya Gvard. Mechanizi. Korpus (and told not to come back). Also, 17th Air Army now provides 7 MC full air support, allowing Black Sea Fleet aircraft to redeploy elsewhere. 7 MC artillery support was provided by 76mm, 122mm, 152mm guns and rocket artillery, not by 203mm.
(7MK) Added 3 cards of T-34/85.44.
(7MK) Removed 1 card each of T-34/76.42 and T-34/76.43, to account for new T-34/85.
(7MK) Added one more card each of SU-152, ZIS-3 and BM-13 MLRS.
(7MK) Added 2 cards each of ZIS-2 AT guns and La-5 fighters.
(7MK) Added 1 card of Vzvod PTR (5/10/-).
(7MK) Added A-20 bombers (2 cards with 6x100 and 1 card with 4x250 loadout), 1 card of IL-2 with 4x132mm HE rockets, 1 card of Yak-9 fighters and a card of La-5FN fighter-bombers with 2x100 bombs.
(7MK) Replaced KV-1 with 203mm off-map by Dzhip KAO with ML-20 off-map, with the same amount of cards.
(7MK) Regular SU-76i got base 1-star veterancy.
(7MK) SU-122 are available in all Phases now.
(7MK) Removed all ISU-122S, SU-76M and Mathilda II.
(7MK) Removed all P-40, Pe-2 and Pe-3, except for scouts. 17th Air Army had few Pe-2 and used them only for recon duties.

Rezerv 43-y Armii - 377th heavy SPG regiment received new ISU-152 prior to summer operations. The 43rd Army also included the 1203rd SPG regiment with SU-76M. By 1944 Pe-3s remained only in the Northern Fleet.
(43A) Added 1 card of SU-76M PT (4/8/-).
(43A) Added 1 SU-76M card to artillery tab.
(43A) Replaced SU-152 with ISU-152.
(43A) Replaced Avtomatchicki card with Mot.Avtomatchiki.
(43A) Replaced Pe-3 fighters by Pe-2 fighters, and AT rocket Pe-3 by AT rocket IL-2M3.
(43A) Increased T-34-85.43 availability from 4/8/12 to 4/8/16.

Podv. Gruppa Tyurina - After evaluation, general Tyurin concluded that his manoeuver group fits definition of mechanized formations more then armored ones. Per in-game description, Gruppa Tyurina is also stated to be Soviet equivalent to Panzergrenadier division, not Panzer division.
4th Air Army had few Pe-2 and used them only for recon duties. Actual air support for Group Tyurin was provided by IL-2 mostly under La-5 cover with some Yak-7 and Yak-9, and no Pe-3 were present either. 23rd Guards tank brigade had 10 SU-76M in addition to T-34. Also, according to Front reports, Tyurina, as modeled in-game, can deploy more tanks then an entire 2nd Belorussian Front combined during operation Bagration.
(Tyurina) Division type changed from Armored to Mechanized.
(Tyurina) Added 1 card of Razvedka.
(Tyurina) Added second 37mm AA card, accounting for 1479th AA regiment being present in the group.
(Tyurina) Added 1 card of Valentine VII Komroti (3/-/-, vet1).
(Tyurina) Added 1 SU-76M card to artillery tab.
(Tyurina) Added 3 cards of IL-2 with 4x132mm AT rockets, 2 cards of IL-2 with 8x132mm HE rockets and 1 card of La-5 fighters.
(Tyurina) Increased Yak-9 fighter availability to 4/7/10.
(Tyurina) Replaced M3L Stuarts with Valentine IX.
(Tyurina) Removed one of T-34/76.43 cards.
(Tyurina) Removed all Pe-3.
(Tyurina) Removed second Yak-9T card, incorrectly added by Eugen in patch.

Podv. Gruppa Bezuglogo - General Bezugly persuaded 39th Army command that his 5th Gvard. Strelkovy Korpus is actually a Gvardyia formation. As a result, most of Manoeuver Group infantry was promoted. Exhausted 251th Rifle Division was transferred to rear echelon, leaving only a small detachment in Korpus vanguard.
(Bezuglogo) Most of Strelki squads and leaders were replaced by Gvardiya squads and leaders with double amount of cards. Strelki (SVT) remain as an exception, representing 251th Rifle Division.
(Bezuglogo) Added 2 cards of BM-13 Katyusha (2/4/-).
(Bezuglogo) Added one more card each of ZIS-3 AT guns and Avtomatchiki.
(Bezuglogo) Replaced all A-20 bombers by Tu-2 (2 cards with 9x100 and one card of 1x1000 loadout).
(Bezuglogo) Pe-2 fighters got base 1-star veterancy.
(Bezuglogo) Decreased T-6 "Tigr" availablity from 3 to 2, with base vet1.
(Bezuglogo) Restricted SU-76M in arty tab to phases A/B.

Podv. Gruppa Fedyunkina - General Fedyunkin's 103rd Rifle Corps was supported by a full 1021st SU-85 regiment and a battery of ML-20 gun-howitzers.
(Fedyunkina) Increased SU-85 availability from 1 A-only card to 2 cards of 4/8/10.
(Fedyunkina) Moved T-34/85 Kombat to Phase B.
(Fedyunkina) Replaced all Yer-2 with Tu-2 (1x1000 + 2x250 and 4x500 loadouts).
(Fedyunkina) Replaced all A-19 with ML-20.
(Fedyunkina) Merged Strelki Komroti (PTR) into a single card with 4/8/12 availability.
(Fedyunkina) ZIS-3 76mm AT guns are now available in all phases.
(Fedyunkina) 76mm infantry guns are now available in Phase B.

Podv. Gruppa Vyborg - rest of 1st Red Banner tank brigade has finally joined SU-76P battery. 220th Tank Brigade received some T-34/85 and got remaining light tanks back. Group Vyborg was also reinforced with company from 283rd light amphibious battalion and 1495th SPG regiment coming from Narva area with some SU-85. 260th heavy tank regiment and SU-76M regiment were reassigned elsewhere. Also, 27th Guards heavy tank regiment was replaced by 26th one (and no one noticed...). Group Vyborg had only 4 SU-76M total (in 220th brigade, btw). 1st tank brigade, aka main source of T-34/76, had T-34 both with and without kupola on photo.
La-7 were newest addition to Soviet arsenal, first fielded by 1st Belorussian Front during operation Bagration, with mass deployment begining at tail end of SD:2 timeframe. Neither VVS nor PVO units operating on the Karelian Isthmus had any in June 1944, yet deployed plenty of La-5.
(Vyborg) Added 1 card of Ford GPA MG (4/-/-, vet2).
(Vyborg) Added 1 card of Osnaz Komroti (3/-/-, vet2).
(Vyborg) Added 1 card of Osnaz.
(Vyborg) Added 28 Ford GPA as OSNAZ transports. AT rifle teams and MG teams can also use them as transports.
(Vyborg) Added 1 card of Strelki (SVT) (9/18/-). Mostly done for uniformity - Vyborg was only division left when Strelki (SVT) were introduced, and now we have second tank brigade in it, so bit more inf is plausible.
(Vyborg) Replaced all Avtomatchicki units with Tankodesantninki, including leaders.
(Vyborg) Added 18 armed M2 halftracks as Tanko. transports.
(Vyborg) Added 1 card each of T-34/76.42, P-40N fighters (3/5/7, vet1), and IL-2M with 2x250.
(Vyborg) Added 1 card of T-60 (8/16/-, vet1).
(Vyborg) Added 2 cards of SU-85(-/8/-). Phase restriction simulates later arrival of 1495th regiment.
(Vyborg) Increased availability of command T-34 from 3/-/- to 3/6/-.
(Vyborg) 82mm mortars and WLA DT motorcycles are also available in Phase B now, courtesy of 1st Red Banner tank brigade.
(Vyborg) Restricted 37mm 61-K AA to A/B phases.
(Vyborg) Restricted SU-76M card from arty tab to Phase A.
(Vyborg) Replaced La-7 fighters with La-5.
(Vyborg) Removed Strelki(DP), KV-1 and Churchills.
(Vyborg) Removed 45mm AT guns, SU-76M PT and Hurricanes.

Morskaya Gruppa Bakhtina - due to increasing VVS activity, Black Sea Fleet fighters can provide some fighter cover to Akkerman landings. Also, landing order for heavy equipment and supplies throught the operation got significantly adjusted.
Konstantin Dmitrievich Denisov not only survived the war, but also left memoirs. According to those memoirs, his unit was tasked with supporting Akkerman landing operation, not flying over3rd Ukrainian Front armored columns. Also, while 7th Naval Fighter Regiment was equipped with Kittihawks, since October 1943 Denisov led 11th Guards Naval Fighter Regiment, with P-39 Aircobra.
(Bachtina) Added 4 more cards of Morskaya Pekhota.
(Bachtina) Moved ace card of P-40 fighters from 7th MC.
(Bachtina) Merged recon Spitfires into a single card with 2/4/6 availability.
(Bachtina) Replaced one of ZIS-2 cards with card of 45mm AT.
(Bachtina) 45mm AT guns are available in all phases now and can be towed by Dodge WC-52.
(Bachtina) WLA PM-37 mortars and WLA DT motorcycles are also available in Phase C now.
(Bachtina) ZIS-3 76mm AT guns are now available in Phase B.
(Bachtina) M2 halftracks are available to 76mm AT guns as transports.
(Bachtina) MG teams, 50mm and 82mm mortars can use Ford GPA as transports now.
(Bachtina) Vzvod PTR and 37mm AA can now use Studebackers as transports.
(Bachtina) 25mm AA guns now use the same transports as 37mm AA.
(Bachtina) Added 50 more ZIS-5 trucks and 10 more DUKW.
(Bachtina) Removed 1 card of Razvedka.

126-y L. Gornostrelkovy Korpus - 338th heavy SPG regiment provides a bit more support to 126 LRC now. 73rd Separate Guards Heavy tank regiment, primary source of KV in the area, received tanks well before KV-1S or KV-85 entered production. Even using Petsamo-Kirkenes offensive as a latest date for 126 LRC, Yak-3 never operated in the Northern Arctic in 1944, being sent either to Baltics, or to units advancing towards Berlin/Budapest. Reasons for adding Pe-3 are mentioned below.
(126LGsK) Replaced KV-85 card with B/C-only KV-1E card.
(126LGsK) Amount of ISU-152 increased from (-/-/4) to (-/4/6).
(126LGsK) Added 1 more card of Morskaya Pekhota, and 2 more cards of 107mm mortars.
(126LGsK) Added 3 cards of 82mm mortars, they are available in all Phases now.
(126LGsK) 120mm mortars availability changed to 4/8/-.
(126LGsK) Removed 1 card of Gornostrelki.
(126LGsK) Replaced all Yak-3 fighters with 2 cards of Yak-9 (4/7/10) and 1 card of Pe-3.
(126LGsK) Replaced P-40 with 1x500 loadout by Pe-3 with 2x250+2x100 loadout.

3-ya Gv. VDD - 27th Guards Tank Brigade, aka VDV tank support, had zero lend-lease tanks, yet could call upon 10 SU-76M. Soviet tank units, supporting VDV division, had no lend-lease armor.
(3VDD) Added 1 A/B card of Mathilda II (vet1). Mathildas are from 6th Tank army units.
(3VDD) Added 1 more card of SU-76M to arty tab, 1 more card of T-34/76.42 and 1 more card of ZIS-3 AT guns.
(3VDD) Added 2 cards of M-10 howitzers.
(3VDD) Added 1 card of T-70 with 76mm off-map (2/4/-).
(3VDD) Replaced Avtomatchicki card with Mot.Avtomatchiki.
(3VDD) ZIS-2 AT guns are no longer available in Phase A.
(3VDD) Removed all Valentines and 1 card of 45mm AT guns.

9-ya Gvard. Kavalerii Divisiya - 9 GCD had support of 1815th light SPG regiment with SU-76 from 4th Guards Cavary Corps, so it gets a bit more SU-76M now. It deploy more Emcha tanks then an entire Cavalry Corps really had, so Emcha numbers decreased. On the other hand, 9-ya got support from battered units of 9-y Tankovy Korpus.
(9GvKD) Added 1 card of SU-76M PT.
(9GvKD) Added 1 card of T-34/85 Komroti (-/4/-).
(9GvKD) Added 2 cards of T-34/85.44.
(9GvKD) Added 1 card of Mot.Avtomatchiki (-/16/-, vet1).
(9GvKD) Added 1 card each of Tankodesantninki (-/12/-, vet1) and Tanko. Komroti (-/6/-, vet1).
(9GvKD) Added 6 armed and 12 unarmed M2 halftracks as Tanko. transports. Halftracks are also available to some generic units as transports.
(9GvKD) Added 1 more card of LaGG-3 AT.
(9GvKD) Replaced all Tu-2 bombers by A-20 bombers with similar loadouts and same amount of cards.
(9GvKD) Removed 76mm F-22 guns from arty tab.
(9GvKD) Removed 1 card of Kazaki (PPSh), 3 cards of Emcha, all T-70 and all T-34/76.
(9GvKD) Replaced all Tu-2 bombers by A-20 bombers with similar loadouts and same amount of cards.
(9GvKD) Replaced ZiS-2 AT guns with ZiS-3.
(9GvKD) Replaced BM-13 card with 2 cards of BM-8-24.
(9GvKD) Restricted Emcha Komroti card to phase A.

26-ya Gv. Strelkovaya Divisiya - at last, 120th Tank Brigade has come to battlefield, and brought Tankodesantninki, T-34, SU-122, recon T-60 and T-70 with it. One battery from 345th heavy SPG regiment is added to provide long-range support. 63th heavy tank regiment returned to 16th GRD and took all KV and SU-152 with it.
(26GvSD) Added a card of recon T-60 (5/-/-).
(26GvSD) Added a card of recon T-70.
(26GvSD) Added 1 card of Strelki (SVT) (9/18/-).
(26GvSD) Added 1 card each of Tankodesantninki (6/12/-, vet1) and Tanko. Komroti(3/6/-, vet1).
(26GvSD) Added 6 armed and 12 unarmed M2 halftracks as transports for tank riders. Halftracks are also available to some generic units as transports.
(26GvSD) Added a card of T-34/76.43.
(26GvSD) Added one card each of command T-70 (3/-/-, vet1) and command T-34 (2/4/-, vet1).
(26GvSD) Added a card each of SU-122(2/4/-) and ISU-122(3/6/-).
(26GvSD) Added one more card each of 120mm mortars, Maxim MMG and SG-43 MMG.
(26GvSD) SG-43 MMG and SU-85 are available in all Phases now.
(26GvSD) Removed all KV, command IS-1 and ISU-152.

44-ya Gv. Strelkovaya Divisiya - 1 GTC was reequipped with T-34/85 as much as 2nd one. 16-ya Guards tank brigade, advancing with 44-ya, had only 2-3 T-34/76. While 1GTC and 44-ya received support from 2 heavy SPG regiments (344th and 354th), only 344th Rgt had 152mm SU, while 354th one spotted ISU-122 instead.
(44GvSD) Replaced all T-34/76.42 with T-34/85.44.
(44GvSD) Added 1 card of Mot.Avtomatchiki (8/16/-, vet1).
(44GvSD) Added 2 cards each of ISU-122 and of M-10 howitzers.
(44GvSD) Added one card of Yak-1B fighters, and restricted Yak-3 fighters to B/C phases.
(44GvSD) T-34-85 Komroti are available in all Phases now.
(44GvSD) Removed 1 card each of 45mm AT guns, 50mm and 120mm mortars, and 2 cars of 82mm mortars.
(44GvSD) Replaced one of 152 off-map cards with 122mm off-map, and removed the second one.
(44GvSD) Removed 2 SU-152 cards.
(44GvSD) Replaced Tu-2 with 2 cards of IL-2M with 2x250 and 1 card of A-20 with 3x500.
(44GvSD) Resticted 76mm support guns to A/B phases.

84-ya Gv. Strelkovaya Divisiya - what remained of 345th heavy SPG, finally made it to support 84th GRD, as planned by 11th Guards Army command. Even with all attached units, 84th was infantry formation by design. SU-76M battalions, issued to some Guards rifle divisions, had only 13 SPG per battalion, and A/B card in AT plus full card in arty tab gives 17.
(84GvSD) Division type changed from Mechanized to Infantry.
(84GvSD) Added one more card each of IS-2.43, 120mm mortars, Maxim MMG and SG-43 MMG.
(84GvSD) SG-43 MMG are available in all Phases now.
(84GvSD) Added 2 cards of ISU-122 (2/4/6).
(84GvSD) Added 2 cards of M-30 howitzers (3/6/-).
(84GvSD) Added 1 card of SU-57 (4/-/-).
(84GvSD) Added 1 card of Pe-2 fighters, and 1 card each of Pe-2 bombers with 6x100 and 2х250+4х100 loadouts. Loadouts selected to remain as close to Pe-3 as possible.
(84GvSD) Replaced IS-2 leader tanks by IS-1 leaders (1/2/-).
(84GvSD) Replaced M3 Scout with 203mm off-map by Dodge WC-51 with 280mm off-map.
(84GvSD) Restricted SU-76M in arty tab to Phase A.
(84GvSD) Removed all ISU-152, 57mm AT guns and Pe-3.

97-ya Gv. Strelkovaya Divisiya - Even with all attached units, 97th division was infantry formation by design. Soviet MLRS-euqipped riverboats did not operate at Sandomierz bridgehead or near it in August 1944.
(97GvSD) Division type changed from Mechanized to Infantry.
(97GvSD) Replaced riverboat off-map with 2 on-map cards of BM-13 Katyusha.
(97GvSD) Added 1 more card of 120mm mortars.
(97GvSD) SG-43 MMG are available in all Phases now.

184-ya Strelkovaya Divisiya - 184-ya got support from 513th Flamethrower tank regiment and 253rd Engineer tank regiment during Bagration. Soviet 5th Army (184-ya parent formation) had no 280mm artillery support, only 152mm and 203mm.
(184SD) Added 1 card of T-34E (6/-/-, vet1).
(184SD) Added 2 cards of OT-34 (3/6/9).
(184SD) Replaced Dodge WC-51 with 280mm off-map by M3 Scout with 203mm off-map.
(184SD) Made ISU-122 available in all Phases.

358-ya Strelkovaya Divisiya - 397th heavy SPG regiment has finally received proper ISU-152. 358th RD also got support from 1238th SPG regiment with SU-76M and 260th heavy tank regiment, bringing KV-1 and Churchill tanks, as well as additional AA cover. Division antitank artillery was adjusted to be more authentic, due to 71st Light Artillery brigade, supporting 97th Rifle Corps. Battle of Tali-Ihantala saw a lot of Soviet artillery, 203mm included.
(358SD) Added 1 card of SU-76M PT and 2 cards of ISU-152.
(358SD) Added 1 card of KV-1E, 1 card of Churchill IV (5/-/-) and 1 card of KV-1S leaders (3/-/-). Churchills are restricted to Phase A - 260th regiment had only few of them.
(358SD) Added 1 card of SU-57 (4/-/-).
(358SD) Added 1 card of KV-1 with 203mm off-map.
(358SD) Added 1 card each of Zen. Art. 37mm (2/4/-, vet1), Zen. Art. 85mm obr. 39 (-/2/4, vet1) and 4 more Voroshilovets as AA transports.
(358SD) Added 1 more card of Maxim MMG.
(358SD) Total amount of ZIS-3 AT cards increased to 4 with 3/6/9 availability.
(358SD) ZIS-2 AT guns are no longer available in Phase A. 21st Army had a unit equipped with ZIS-2 AT guns - 46th anti-tank artillery brigade. But 46th brigade was in support of 109th Rifle Corps, quite far from 358th division (and later on was redeployed to 59th Army), so some restrictions were introduced for ZIS-2.
(358SD) P-39N Aircobra fighters got base vet1, availability decreased accordingly.
(358SD) Replaced 21 cm Mörser 18 with Br-5 280mm mortars.
(358SD) Removed ISU-122 and ISU-122S.
Note: while in vanilla Group Vyborg 260th regiment was represented only by KV-1S, there are photo of KV-1 identified as part of that regiment, so I gave it KV-1E and kept KV-1S as command tanks.

7. Eesti Laskurdiviis - 7. Eesti armor includes whole 8th Estonian Rifle corps mobile group from 2nd Shock Army (Estonian T-34 regiment, Soviet SU-76 regiment and 3rd battalion of 152nd tank brigade - not depleted remnants), rushing to Tallin. But, it also deploys parts of 8th Army mobile group, racing towards Tallin from another direction - 82nd tank regiment (KV and Churchills) and 1222nd SPG regiment (mixed between SU-85 and SU-122), yet there are no SU-122 and a rest of second mobile group is also ignored (T-34-85 regiment + SU-76 regiment). In addition to armoured vehicles, Eesti had support by the 1st battalion of the 40th Guards MLRS regiment with BM-13, and a 760th AT regiment with 76mm guns.
(7EL) Added 2 cards of BM-13 Katyusha (2/4/-).
(7EL) Added 1 SU-122 card (2/4/6).
(7EL) Added 2 more cards of F-22 PT.
(7EL) SU-85 are available in all Phases now.
(7EL) Replaced all Yer-2 with Pe-2 (10x100 and 2x500 loadouts).
(7EL) Increased Yak-7B fighter availability to 4/7/10.

1 Polska Dywizja Piechoty - Because Polish 1st infantry division was organized along Soviet lines, it shares changes in transport selection with Soviet divisions.
(1DP) M-30 howitzers can use Voroshilovets as transports.
(1DP) 76mm regimental guns are also available in Phase B now.
(1DP) Replaced BA-20 recon armoured cars with BA-64.
(1DP) Replaced Yak-7B with 82mm HE rockets with IL-2 with similar 82mm loadout.
(1DP) Removed all BA-10.

Armia Krajowa
(AK) Added one card of Soviet P-39Q fighters (-/6/9).
(AK) Total amount of Studebackers and ZiS-5W DSZK increased from 60 and 8 to 70 and 9 respectively, to account for all LWP units.
(AK) Increased amount of Universal Carrier HMG to -/5/10.
(AK) Replaced BA-20 recon armoured cars with BA-64.
(AK) Removed all BA-10.

Corpul VI Teritorial - 6th Guards Tank Army had only few T-70 left, but included motorcycle regiment with some SU-57. Yak-9B fighter-bombers were even more rare then the La-7 or Yak-3 fighters, and didn't operate over Romania in September 1944.
(C6T) Replaced T-70 recon tanks with SU-57.
(C6T) Replaced Yak-9B with AT clusters with IL-2M with AT clusters.