
modpack
OptimisticMCMinecraft modpack for 26.3
This mod collection will allow you to play Minecraft with higher FPS, if you have a very weak computer you should download it. Even if you have a powerful enough PC you should also try my collection.
- Latest version
- 26.3v6
- Minecraft
- 1.16.5 to 26.3
- Java
- Java 25+
- Loader
- Fabric
- Licence
- LicenseRef-All-Rights-Reserved
- Downloads
- 10.1k
- Updated
- 14 d ago
- Available on
- Modrinth
Host OptimisticMC servers
One click and OptimisticMC is installed with the right loader, on hardware built for it.
- 26.3
- Fabric
- One click modpack install
- Dependencies handled
- Tuned startup flags
- NVMe SSD
Screenshots
Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.
Minecraft versions
Every version OptimisticMC declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 26.3 | Fabric | 25+ | declared | 15 Sept 2026 |
| 26.2 | Fabric | 25+ | declared | 16 Jun 2026 |
| 26.1.2 | Fabric | 25+ | declared | 9 Apr 2026 |
| 26.1.1 | Fabric | 25+ | declared | 1 Apr 2026 |
| 26.1 | Fabric | 25+ | declared | 24 Mar 2026 |
| 1.21.11 | Fabric | 21+ | declared | 9 Dec 2025 |
| 1.21.10 | Fabric | 21+ | declared | 7 Oct 2025 |
| 1.21.9 | Fabric | 21+ | declared | 30 Sept 2025 |
| 1.21.8 | Fabric | 21+ | declared | 17 Jul 2025 |
| 1.21.7 | Fabric | 21+ | declared | 30 Jun 2025 |
| 1.21.6 | Fabric | 21+ | declared | 17 Jun 2025 |
| 1.21.5 | Fabric | 21+ | declared | 25 Mar 2025 |
| 1.21.4 | Fabric | 21+ | declared | 3 Dec 2024 |
| 1.21.3 | Fabric | 21+ | declared | 23 Oct 2024 |
| 1.21.2 | Fabric | 21+ | declared | 22 Oct 2024 |
| 1.21.1 | Fabric | 21+ | declared | 8 Aug 2024 |
| 1.21 | Fabric | 21+ | declared | 13 Jun 2024 |
| 1.20.6 | Fabric | 21+ | declared | 29 Apr 2024 |
| 1.20.5 | Fabric | 21+ | declared | 23 Apr 2024 |
| 1.20.4 | Fabric | 17+ | declared | 7 Dec 2023 |
| 1.20.3 | Fabric | 17+ | declared | 4 Dec 2023 |
| 1.20.2 | Fabric | 17+ | declared | 20 Sept 2023 |
| 1.20.1 | Fabric | 17+ | declared | 12 Jun 2023 |
| 1.20 | Fabric | 17+ | declared | 2 Jun 2023 |
| 1.19.4 | Fabric | 17+ | declared | 14 Mar 2023 |
| 1.19.3 | Fabric | 17+ | declared | 7 Dec 2022 |
| 1.19.2 | Fabric | 17+ | declared | 5 Aug 2022 |
| 1.19.1 | Fabric | 17+ | declared | 27 Jul 2022 |
| 1.19 | Fabric | 17+ | declared | 7 Jun 2022 |
| 1.18.2 | Fabric | 17+ | declared | 28 Feb 2022 |
| 1.18.1 | Fabric | 17+ | declared | 10 Dec 2021 |
| 1.18 | Fabric | 17+ | declared | 30 Nov 2021 |
| 1.17.1 | Fabric | 16+ | declared | 6 Jul 2021 |
| 1.17 | Fabric | 16+ | declared | 8 Jun 2021 |
| 1.16.5 | Fabric | 8+ | declared | 14 Jan 2021 |
Most recently published release
OptimisticMC 26.3v6.mrpack · 25 KB · for 26.3 · Fabric
6978f04b73f5…Older versions24Hide older versions
- 1.16.5v224 Oct 20261.16.512 KB
21913ee7c6f6…Get - 26.3v511 Oct 202626.312.7 MB
ace3bf824ce1…Get - 26.3v420 Sept 202626.30.7 MB
1affc648c898…Get - 26.2v220 Sept 202626.214 KB
9572cefe1978…Get - 26.3v319 Sept 202626.30.7 MB
7c7652e97e99…Get - 26.3v218 Sept 202626.30.7 MB
07b901d28266…Get - 26.3v116 Sept 202626.312 KB
39438567be4a…Get - 26.2v12 Jul 202626.214 KB104 downloads
3c62508d49df…Get - 26.1.2v228 Apr 202626.1.219 KB14 downloads
e90c757f28da…Get - 1.17.1v128 Apr 20261.17.111 KB19 downloads
58216f6b190b…Get - 1.17v128 Apr 20261.1711 KB45 downloads
48c013a487c0…Get - 1.18v121 Apr 20261.188 KB41 downloads
95e54191e416…Get - 1.18.1v121 Apr 20261.18.110 KB13 downloads
2a2271c5a89d…Get - 1.19v120 Apr 20261.1914 KB14 downloads
d06e89a6693c…Get - 26.1.2v120 Apr 202626.1.219 KB20 downloads
e8d03d510773…Get - 26.1.1v18 Apr 202626.1.116 KB33 downloads
7f7409077808…Get - 26.1v28 Apr 202626.118 KB33 downloads
b1ba266350de…Get - 26.1v131 Mar 202626.118 KB55 downloads
d7f9284d954e…Get - 1.21.11v231 Mar 20261.21.1118 KB110 downloads
7e967c6ebcc6…Get - 1.21.11v112 Dec 20251.21.1112 KB853 downloads
553caba6af98…Get - 1.19.1v17 Dec 20251.19.114 KB47 downloads
53c52a19a43e…Get - 1.19.2v26 Dec 20251.19.232 KB27 downloads
8257dc74d5fb…Get - 1.19.3v26 Dec 20251.19.315 KB22 downloads
68288cebb2da…Get - 1.19.4v26 Dec 20251.19.445 KB21 downloads
fbb1339699c4…Get
Frequently asked
Does OptimisticMC work on Minecraft 26.3?
Yes. 26.3 is the newest Minecraft version OptimisticMC declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.
Which Minecraft versions does OptimisticMC support?
Everything the author has declared, from 1.16.5 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.
Which platform or loader does OptimisticMC support?
Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for OptimisticMC?
Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.
What licence is OptimisticMC under?
LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.
How do I install OptimisticMC?
Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.
Where do I download OptimisticMC safely?
Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .

