If you mean rotating, then yup! If not all of them, most of them, yes!
Even the Prize Shop rotates its items, but I recall one time I saw Plume Fossils in it for the two cycles, but I think all the other items were rotated, yup yup
Now if you mean restock as in getting it to a certain number, then...
well, the Main Shop and Prize Shop rotate their items, but those items don't have a limited stock (just a limit for the maximum amount you can have, and that's on specific items)
If you are thinking about the Backroom, well, the Backroom doesn't get manually restocked, but rather it gets restock when a user sells their items. Not all items will appear in there, and the restocking is not inmediately though!
Hope my answer helped, but you can always send me a PM if you have any other questions!
Look at friend please
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Shinies of 2020: 112 (click to showhide)
Shinies of January: 9
Shinies of February: 17
Shinies of March: 10
Shinies of April: 6
Shinies of May: 4
Shinies of June: 4
Shinies of July: 4
Shinies of August: 6
Shinies of September: 8
Shinies of October: 7
Shinies of November: 12
Shinies of December: 25
Shinies of 2021: 130 (click to showhide)
Shinies of January: 20
Shinies of February: 16
Shinies of March: 7
Shinies of April: 31
Shinies of May: 9
Shinies of June: 8
Shinies of July: 2
Shinies of August: 11
Shinies of September: 5
Shinies of October: 10
Shinies of Nov: 7
Shinies of Dec: 4
Shinies of 2022 (click to showhide)
Shinies of January: 12
Shinies of February: 6
Shinies of March: 2
Frillish (Mar/14/2022): 1st sh. Frillish of the SWSH! 1st overall (WUUUT?!?!). 1st Malachite shiny!
Frillish (Mar/18/2022): 62nd sh. Frillish of the SWSH! 106th overall (WUUUT?!?!). 45th Malachite shiny!
Shinies of April: 4
Lotad (Apr/9/2022)
Seedot (Apr/10/2022)
Seedot (Apr/12/2022)
Seedot (Apr/16/2022)
Shinies of May: 1
Rhyhorn (May/27/2022): 114th sh. Rhyhorn of the SWSH! 331st overall. 136th Malachite shiny!
Shinies of June: 3
Scatterbug (Jun/19/2022)
Scatterbug (Jun/26/2022)
Clauncher (Jun/26/2022)
Shinies of July: 5
Tauros (Jul/15/2022): 5th sh. Tauros of the SWSH! 29th overall. 13th Malachite shiny!
Mankey (Jul/17/2022): 47th sh. Mankey of the SWSH! 191st overall. 75th Malachite shiny!
Mankey (Jul/17/2022): 159th sh. Mankey of the SWSH! 619th overall. 223th Malachite shiny!
Litwick (Jul/27/2022)
Deerling [Fall] (Jul/29/2022)
Shinies of August: 28
Frillish (Aug/1/2022)
Eevee [Heart] (Aug/8/2022)
Bulbasaur (Aug/12/2022)
Pyukumuku (Aug/12/2022)
Pyukumuku (Aug/12/2022)
Pyukumuku (Aug/12/2022)
Bruxish (Aug/13/2022)
Sandygast (Aug/13/2022)
Pyukumuku (Aug/13/2022)
Pyukumuku (Aug/14/2022)
Pyukumuku (Aug/14/2022)
Wishiwashi (Aug/15/2022)
Frillish (Aug/17/2022)
Pyukumuku (Aug/17/2022)
Wishiwashi (Aug/18/2022)
Pyukumuku (Aug/18/2022)
Squirtle (Aug/18/2022)
Squirtle (Aug/19/2022)
Flabebe [White] (Aug/19/2022)
Pyukumuku (Aug/19/2022)
Squirtle (Aug/21/2022)
Flabebe [White] (Aug/22/2022)
Pyukumuku (Aug/23/2022)
Squirtle (Aug/24/2022)
Wishiwashi (Aug/25/2022)
Pyukumuku (Aug/26/2022)
Wishiwashi (Aug/27/2022)
Sandygast (Aug/27/2022)
Shinies of September: 2
Tirtouga (Sep/29/2022): SWSH!
Bulbasaur Clone (Sep/29/2022)
Shinies of October: 19
Starly (Oct/2/2022)
Chatot (Oct/2/2022)
Golbat (Oct/3/2022): Safari Grab!
Sawsbuck [Winter] (Oct/3/2022): Safari Grab!
Centiskorch (Oct/3/2022): Safari Grab!
Oricorio [Baile] (Oct/4/2022)
Pikipek (Oct/8/2022)
Oricorio [Pom-Pom] (Oct/13/2022)
Pikipek (Oct/19/2022)
Oricorio [Pa'u] (Oct/19/2022)
Nidoran F (Oct/23/2022)
Roggenrola (Oct/23/2022)
Minior [Meteor] (Oct/23/2022)
Roggenrola (Oct/23/2022)
Roggenrola (Oct/24/2022)
Minior [Meteor] (Oct/24/2022)
Staraptor (Oct/27/2022)
Carbink (Oct/29/2022)
Igglybuff (Oct/29/2022)
Special Achievements (click to showhide)
01.16-31.20: 2nd in Most Shinies Hatched, 3rd on "Getting all the SWSH shiny 'mons", 1st Sh. Grookey of the SWSH.
03.14-31.20: "1st" in Most Shinies Hatched, 2nd on "Getting all the SWSH shiny 'mons"
09.14-30.20: 1st in Most Shinies Hatched
01.12-31.21: 1st in Most Shinies Hatched