2026.4.19: OCI images, aqua templates, and more resilient installs

This release adds a new way to package environments as OCI images, improves backend flexibility with aqua variable templating, and tightens several authentication and concurrency edge cases that were causing friction in real workflows.

The biggest addition is mise support for building OCI images directly from mise.toml, with per-tool layering to make image rebuilds more efficient. Alongside that, aqua-backed tools can now use templated variables, which should make more registries and package definitions work cleanly without custom glue. On the reliability side, fixes in conda, GitHub auth handling, vfox token usage, and interactive CLI cancellation should make automation and authenticated installs behave more predictably.

Highlights

• Build OCI images directly from mise.toml with per-tool image layers.
• Support aqua variable templates in backends.
• Fix several GitHub and token-handling issues affecting authenticated requests.
• Improve install reliability for conda and backend path handling.
• Add new registry entries including gsudo, kiro-cli, llama.cpp, and Flux operator tooling.

Changes

Features

• (oci) build OCI images from mise.toml with per-tool layers by @jdx in #9273
• (backend) support aqua vars templates by @jdx in #9110
• add gsudo (Sudo for Windows) to registry by @jdx in #9281

Bug Fixes

• (cli) suppress error output after interactive cancel by @jdx in #9294
• (backend) stop fuzzy requests installing literal dirs by @jdx in #9276
• (conda) avoid temp file collisions during parallel package downloads by @jdx in #9293
• (github) scope auth headers to API URLs by @jdx in #9271
• (cli) retrieve token from github helper for self-update command by @jdx in #9259
• (vfox) use github token for lua http requests by @jdx in #9257

Registry

• add flux-operator & flux-operator-mcp by @tiyee in #8852
• add kiro-cli by @jdx in #9274
• add llama.cpp (github:ggml-org/llama.cpp) by @jdx in #9282

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