Genkit Go v0.5.0

What's Changed

• feat(go): Added prompts as executable prompts by @apascal07 in #2535
• fix(go/genkit): use controlled flushing on JSON responses by @hugoaguirre in #2530
• feat(go): Call DefineGenerateAction in Genkit.Init by @apascal07 in #2575
• refactor(go/plugins): keep gemini code in googlegenai by @hugoaguirre in #2576
• feat(go): Add customConfig field to ModelInfo by @huangjeff5 in #2537
• fix(go): remove legacy prompts from go by @ssbushi in #2598
• feat(go/ai): Use dotprompt package for rendering prompt templates by @rutujaD1999 in #2526
• chore(go): bump go-genai SDK to v0.7.0 by @hugoaguirre in #2620
• feat(go): Added ModelArg interface and ModelRef by @huangjeff5 in #2487
• fix(go): add tool to prompt metadata by @ssbushi in #2622
• feat(go/genkit): Added support for formatters and custom instructions by @dysrama in #2417
• feat(go/genkit): Exposed DefineFormat in Genkit. by @apascal07 in #2647
• fix(go/plugins): Unpacked common fields in GeminiConfig and fixed output config by @apascal07 in #2649
• chore(go): expose model gemini-2.5-pro-preview-03-25 by @hugoaguirre in #2651
• fix(go): minor bug fixes by @hugoaguirre in #2654
• fix(go): Fixed prompt fields not propagating to execute for loaded prompts. by @apascal07 in #2655
• fix(go): Fix Issues in using genkit with ollama plugin. by @suapapa in #2681
• feat(go/plugins/googlegenai): add constrained generation by @hugoaguirre in #2467
• fix(go): metadata and status enum fixes by @ssbushi in #2698
• fix(go): Fixed nil pointer in Google AI plugin. by @apascal07 in #2700
• fix(go/py/tooling): More small fixes related to evals by @ssbushi in #2703
• refactor(go)!: Updated all primitives to unified options. by @apascal07 in #2550
• bug(go)!: remove local provider from tools and prompts by @hugoaguirre in #2713
• fix(go): update samples to use GeminiConfig by @hugoaguirre in #2726
• fix(go): use GeminiConfig in cache live tests by @hugoaguirre in #2730

New Contributors

• @suapapa made their first contribution in #2681

Full Changelog: go/v0.3.0...go/v0.5.0