Hi,
Using Flathub to grab older versions is inconsistent: you currently cannot downgrade from 1.21.6 using Flathub, because all commits before the last listed here have been pruned:
Vintage Story - Wilderness survival sandbox game
ID: at.vintagestory.VintageStory
Ref: app/at.vintagestory.VintageStory/x86_64/stable
Arch: x86_64
Branch: stable
Version: 1.21.6
License: LicenseRef-proprietary
Collection: org.flathub.Stable
Download: 69.0 MB
Installed: 123.4 MB
Runtime: org.freedesktop.Platform/x86_64/24.08
Sdk: org.freedesktop.Sdk/x86_64/24.08
Commit: 63fd09a7217813d36ea8c5487f320fe2a1ea4ea4ff78ff2f5abe20398399fcd9
Parent: 1f20605d927e07c02ecce163f111a10bf5a716275ebcaf54cc29d9b2731a9a6f
Subject: Merge pull request #109 from razzeee/keywords-1764019490804 (f53026afdf60)
Date: 2026-02-03 08:22:32 +0000
History:
Commit: 1f20605d927e07c02ecce163f111a10bf5a716275ebcaf54cc29d9b2731a9a6f
Subject: Merge pull request #113 from flathub/yakushabb-patch-1 (b1e1ec48888d)
Date: 2026-01-15 17:57:13 +0000
Commit: 00a702cd82f45621ebe35d349d69daaa532d862a37dba5c1887c9195fad1db97
Subject: Merge pull request #113 from flathub/yakushabb-patch-1 (b1e1ec48888d)
Date: 2026-01-15 17:57:13 +0000
Commit: 5ac6ba1f44fc3b8d459a13bfa1d32251ed2686b7213328f542d1192799761772
Subject: Merge pull request #111 from flathub/update-master-f66bcc5 (d9a4db61ac18)
Date: 2025-12-14 02:28:13 +0000
Using Flathub to grab older versions of applications is not something that is exposed in either Discover or on Bazzar.