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@dependabot dependabot bot commented on behalf of github Dec 15, 2025

Bumps nicegui from 1.4.9 to 3.4.0.

Release notes

Sourced from nicegui's releases.

v3.4.0

Security

New features and enhancements

Deprecation

Bugfixes

Documentation

Testing

Dependencies

... (truncated)

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Bumps [nicegui](https://github.com/zauberzeug/nicegui) from 1.4.9 to 3.4.0.
- [Release notes](https://github.com/zauberzeug/nicegui/releases)
- [Changelog](https://github.com/zauberzeug/nicegui/blob/main/release.dockerfile)
- [Commits](zauberzeug/nicegui@v1.4.9...v3.4.0)

---
updated-dependencies:
- dependency-name: nicegui
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Dec 15, 2025
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AI Code Review by LlamaPReview

🎯 TL;DR & Recommendation

Recommendation: Request Changes

This PR upgrades NiceGUI from 1.4.9 to 3.4.0, a major version jump that has already broken CI linting and prevented test execution, indicating high risk of runtime incompatibility due to undocumented breaking changes.

📈 Findings Summary

Priority File Category Impact Summary Anchors
P1 pyproject.toml Architecture Major version upgrade causes CI lint failure and runtime incompatibility.
P1 pyproject.toml Testing CI test jobs skipped, preventing workflow verification.
P2 pyproject.toml Security Security fixes applied, but exposure needs manual review.
P2 pyproject.toml Maintainability Future development risks using deprecated APIs without audit.
P2 pyproject.toml Performance Performance changes speculative, require monitoring post-upgrade.

🔍 Notable Themes

  • All findings originate from the NiceGUI major version bump (1.x → 3.x), underscoring the necessity for a systematic migration plan—including code audit for API changes, fix linting issues, ensure test coverage, and monitor for regressions—before merging.

📈 Risk Diagram

This diagram illustrates the risk of dependency upgrade breaking CI and causing unverified runtime changes.

sequenceDiagram
    participant D as Dependabot
    participant P as pyproject.toml
    participant C as CI Pipeline
    participant A as Application
    D->>P: Bump nicegui to 3.4.0
    P->>C: Trigger lint/test jobs
    C->>C: Lint fails (API incompatibility)
    note over C: R1(P1): Major version upgrade causing API incompatibility and lint failure
    C->>A: Tests skipped, no verification
    A->>A: Potential runtime failures
    note over A: Risk of silent failures due to breaking changes
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💡 Have feedback? We'd love to hear it in our GitHub Discussions.
✨ This review was generated by LlamaPReview Advanced, which is free for all open-source projects. Learn more.

Comment on lines 50 to 52
"asyncz==0.13.4", # Pinned
"nicegui==1.4.9", # Pinned
"nicegui==3.4.0", # Pinned
"ping3==5.1.5", # Pinned
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P1 | Confidence: High

  • This major version upgrade (1.x → 3.x) represents a significant architectural shift. The release notes indicate breaking changes including deprecations of ui.add_scss and ui.add_sass, API changes to ui.interactive_image (new sanitize parameter), and security hardening. The CI/CD results show a linting failure, which is immediate evidence of incompatibility. This is not a speculative failure - the deterministic path is: dependency change → incompatible API usage → lint/test failure. Without code changes to adapt to the new API, this will cause runtime failures.
  • The CI pipeline shows multiple test-related jobs were skipped (build, test, release), while lint failed. This indicates the upgrade has broken the development workflow before tests could even run. The lint / ⚡ Lint (UV) failure is a direct consequence of the version bump, suggesting type checking or import errors that prevent the test suite from executing. This creates a high-risk situation where we cannot verify if the application works post-upgrade.
  • Speculative: The release notes highlight security fixes for XSS vulnerabilities in ui.interactive_image, ui.add_css/add_scss/add_sass, and app.add_media_files. While upgrading addresses known CVEs, the related_context queries found no usage of these specific functions. However, if the application uses user-generated content in UI components, the upgrade provides critical protection. The absence of findings doesn't guarantee safety—manual review of UI code paths is needed to confirm exposure.
  • Speculative: Major version jumps often introduce behavioral changes beyond documented breaking changes. The release notes mention deprecation of ui.add_scss and ui.add_sass, removal of non-ESM browser support, and changes to element.clear() return value. Even if current code doesn't use these APIs (per empty related_context), future development could inadvertently use deprecated patterns. A systematic audit of NiceGUI usage against the 3.x migration guide is required to prevent technical debt.
  • Speculative: The release notes mention performance improvements (faster Vue component loading, CSS loading optimizations, lazy task starting). However, without performance baselines or identified bottlenecks in the application, these benefits are theoretical. The upgrade could also introduce performance regressions in untested code paths. Recommend monitoring application metrics post-upgrade to validate any performance impact.

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