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RosBE: all versions and old releases

RosBE bootstrapper and toolchain manager (unofficial ReactOS support)

Ahmed Arif IDEs & code editors

7 versions of RosBE are listed here, from April 24, 2026 to the current 20261009. Each one links to the publisher’s own installer files.

2026: 7 7 26
VersionDateSizeFiles
20261009Latest October 9, 2026 — 64-bit ZIP
Release notes
## RosBE v20261009

### Managed toolchain versions
| Component | Version |
|-----------|---------|
| LLVM-MinGW | 20261007 |
| LLVM-MinGW RISC-V (llvm-mingw-riscv24, not on PATH) | 20261007 (sjljeh/llvm-project@e2711a322f41) |
| LLVM (llvm, every LiberNT Clang target, not on PATH) | 20261009 (sjljeh/llvm-project@45f45c292b72, AArch64,ARM,PowerPC,RISCV,X86) |
| MinGW-GCC (ct-ng Canadian-cross) | 16.2.0 (v16.2 from ahmedarif193/mingw-gcc16.2) |
| CMake | 3.31.6 |
| Ninja | 1.12.1 |
| WinFlexBison | 2.5.25 |
| QEMU (Windows bundle) | 11.1.0 (20260811 build from qemu.weilnetz.de) |

### Install
```
winget install ReactOS.RosBE
rosbe install
rosbe enable
```

### Provenance
Release artifacts are GitHub-attested and verified in CI.
```
gh attestation verify dist/rosbe.exe -R ahmedarif193/winget-rosbe
```

### Checksums
```
72663d0bd3ae42b089e384474c2439305124e3d7147452c618535fe4b1435deb rosbe-20261009-win-x64.zip
0b0a5b0db718d028489a6f0b2fe54e129fdbd8eb36af1edbae8df9bdede74ebb rosbe-bootstrapper-20261009-win-x64.zip
decfdcdefad1bade05e42f28755668c99e2c046e863e983ab829c1cec6b57036 rosbe.exe
```
20261007 October 7, 2026 — 64-bit ZIP
Release notes
## RosBE v20261007

### Managed toolchain versions
| Component | Version |
|-----------|---------|
| LLVM-MinGW | 20261007 |
| LLVM-MinGW RISC-V (llvm-mingw-riscv24, not on PATH) | 20261007 (sjljeh/llvm-project@e2711a322f41) |
| MinGW-GCC (ct-ng Canadian-cross) | 16.2.0 (v16.2 from ahmedarif193/mingw-gcc16.2) |
| CMake | 3.31.6 |
| Ninja | 1.12.1 |
| WinFlexBison | 2.5.25 |
| QEMU (Windows bundle) | 11.1.0 (20260811 build from qemu.weilnetz.de) |

### Install
```
winget install ReactOS.RosBE
rosbe install
rosbe enable
```

### Provenance
Release artifacts are GitHub-attested and verified in CI.
```
gh attestation verify dist/rosbe.exe -R ahmedarif193/winget-rosbe
```

### Checksums
```
bdba3309af0c8ae1d6b34123f8c876c04672efa021078487b847a79e797196bc rosbe-20261007-win-x64.zip
a250f37ca6408108a4a6c00095088627c5307b5ba6ae0d5adf23bd077dcd78de rosbe-bootstrapper-20261007-win-x64.zip
08e1d07641a97d5420ba775c22331dd652564df00fa705140d3102364fc006be rosbe.exe
```
20261001 October 1, 2026 — 64-bit ZIP
Release notes
## RosBE v20261001

### Managed toolchain versions
| Component | Version |
|-----------|---------|
| LLVM-MinGW | 20260826 |
| LLVM-MinGW RISC-V (Linux bootstrap and container image) | 20260919 (sjljeh/llvm-project@c0d667399d0c) |
| MinGW-GCC (ct-ng Canadian-cross) | 16.2.0 (v16.2 from ahmedarif193/mingw-gcc16.2) |
| CMake | 3.31.6 |
| Ninja | 1.12.1 |
| WinFlexBison | 2.5.25 |
| QEMU (Windows bundle) | 11.1.0 (20260811 build from qemu.weilnetz.de) |

### Install
```
winget install AhmedArif.RosBE
rosbe install
rosbe enable
```

### Provenance
Release artifacts are GitHub-attested and verified in CI.
```
gh attestation verify dist/rosbe.exe -R ahmedarif193/winget-rosbe
```

### Checksums
```
162842d2e8d0fd629b4b186a57d79c1aae72d5e263a3cf670188318a5dc0e03a rosbe-20261001-win-x64.zip
67dee9f91e87db8fa4d4a9204fb953c2fee6e9a4273ee62330ae152200437e4c rosbe-bootstrapper-20261001-win-x64.zip
7da609c518e842acce171c2a844021951c2eb21d5f451645d62a9634dadf38ae rosbe.exe
```
20260829 August 31, 2026 — 64-bit ZIP
Release notes
## RosBE v20260829

### Managed toolchain versions
| Component | Version |
|-----------|---------|
| LLVM-MinGW | 20260826 |
| MinGW-GCC (ct-ng Canadian-cross) | 16.2.0 (v16.2 from ahmedarif193/mingw-gcc16.2) |
| CMake | 3.31.6 |
| Ninja | 1.12.1 |
| WinFlexBison | 2.5.25 |
| QEMU (Windows bundle) | 11.1.0 (20260811 build from qemu.weilnetz.de) |

### Install
```
winget install AhmedArif.RosBE
rosbe install
rosbe enable
```

### Provenance
Release artifacts are GitHub-attested and verified in CI.
```
gh attestation verify dist/rosbe.exe -R ahmedarif193/winget-rosbe
```

### Checksums
```
233f8b0c13ecfe047dc47504cb091713a1e21d9df726406699f563adb386b9ca rosbe-20260829-win-x64.zip
3fc36edfe95c0851214a7398168d7c3a326fe63fa7e9be8f219af2319e9313a1 rosbe-bootstrapper-20260829-win-x64.zip
4a86da83d9dc9d1e02203c2203192d9c6236865c46b45b4d8a34a73193270307 rosbe.exe
```
20260629 August 26, 2026 — 64-bit ZIP
Release notes
## RosBE v20260629

### Managed toolchain versions
| Component | Version |
|-----------|---------|
| LLVM-MinGW | 20260616 |
| MinGW-GCC (ct-ng Canadian-cross) | 15.2.0 (v15.2 from ahmedarif193/mingw-gcc15.2) |
| CMake | 3.31.6 |
| Ninja | 1.12.1 |
| WinFlexBison | 2.5.25 |
| QEMU (Windows bundle) | 11.0.0 (20260422 build from qemu.weilnetz.de) |

### Install
```
winget install AhmedArif.RosBE
rosbe install
rosbe enable
```

### Provenance
Release artifacts are GitHub-attested and verified in CI.
```
gh attestation verify dist/rosbe.exe -R ahmedarif193/winget-rosbe
```

### Checksums
```
bb32f3292ab46f36a233eaebed12b715d6df6d21bfa7c647d41d9d54baa6dc87 rosbe-20260629-win-x64.zip
2d7472d4c3bd2e577dbc3afd018dd80c47204473037de72f26e41c6a14c27867 rosbe-bootstrapper-20260629-win-x64.zip
531e6123a1b2a2dcc5e952c5a59ba5858973639f36bb05b0c810409c76e4cb31 rosbe.exe
```
20260424 April 24, 2026 — 64-bit ZIP
1.0.0 April 24, 2026 — 64-bit ZIP

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