Katib v0.18.0

This is the Katib v0.18.0 release.

The key highlights:

• KEP-2339: Hyperparameter optimization for LLMs fine-tuning.
• KEP-2340: Support for push-based metrics collection.
• KEP-2374: Advanced parameter distribution, such as uniform, log-uniform, normal, and log-normal.

Breaking Changes

• Move Katib manifest image references to ghcr (#2535 by @saileshd1402)
• Migrate docker images to ghcr (#2531 by @mahdikhashan)
• Upgrade Kubernetes to v1.31.3 (#2478 by @Electronic-Waste)
• Upgrade Kubernetes to v1.30.7 (#2463 by @Electronic-Waste)
• Drop Python 3.7 and Support Python 3.11 in the SDK (#2337 by @tenzen-y)

New Features

Hyperparameter Optimization for LLMs

• [DOCS] move llm hyperparameter optimisation design image to the proposal directory and rename it (#2472 by @mahdikhashan)
• [GSoC] Update tune API for LLM hyperparameters optimization (#2393 by @helenxie-bit)
• [GSoC] Create LLM Hyperparameters Optimization API Proposal (#2333 by @helenxie-bit)

Support for Advanced Distributions for HPO

• [GSOC] optuna suggestion service logic update (#2446 by @shashank-iitbhu)
• [GSOC] hyperopt suggestion service logic update (#2412 by @shashank-iitbhu)
• [GSOC] Add validator for feasible space distribution (#2404 by @shashank-iitbhu)
• [GSOC] added Unknown distribution and convertDistribution in suggestion client (#2403 by @shashank-iitbhu)
• [GSOC] Support for various Parameter distributions in Katib (#2334 by @shashank-iitbhu)
• [GSoC] Added DistributionType to Experiment API (#2377 by @shashank-iitbhu)

Push-based Metrics Collector

• [GSoC] Provide a PyTorch MNIST Example for Push-based Metrics Collection (#2437 by @Electronic-Waste)
• [GSoC] Compatibility Changes in Trial Controller (#2394 by @Electronic-Waste)
• [GSoC] New Interface report_metrics in Python SDK (#2371 by @Electronic-Waste)
• [GSoC] KEP for Project 6: Push-based Metrics Collection for Katib (#2328 by @Electronic-Waste)
• [GSoC] Add New Parameter in tune (#2369 by @Electronic-Waste)

SDK Updates

• [SDK] Support PyTorchJob as a Trial Worker (#2512 by @andreyvelich)
• [SDK] test: Add e2e test for tune function. (#2399 by @Electronic-Waste)
• [SDK] improve PVC creation name error (#2496 by @mahdikhashan)
• [SDK] Fix empty list for env variables and numpy version (#2360 by @andreyvelich)
• [SDK] Explain Python version support cycle (#2354 by @andreyvelich)

Bug Fixes

• fix(webhook): fix validation message in experiment webhook (#2507 by @Electronic-Waste)
• Install typing-extensions v4.10.0 to fix Python test error (#2504 by @helenxie-bit)
• [SDK] Update tune API (#2497 by @helenxie-bit)
• fix(api): resolve all api voilation exceptions in katib api (#2482 by @truc0)
• fix(trial): use propagated gomega to improve debuggability. (#2432 by @Electronic-Waste)
• fix(ui): update None Collector with Push Collector. (#2418 by @Electronic-Waste)
• fix: Resolve errors in e2e tests for cypress in Katib UI (#2384 by @tariq-hasan)
• doc(example): fix the broken link. (#2433 by @Electronic-Waste)
• fix: remove remaining MXNet dependency. (#2456 by @Electronic-Waste)
• Remove Dropout layer from ENAS Trial container to fix E2E tests (#2455 by @andreyvelich)
• [SDK] fix grpc related bugs in Python SDK (#2398 by @Electronic-Waste)
• [SDK] Fix types error (#2424 by @helenxie-bit)
• fix: remove the dependency of protocmp in google.golang.org/protobuf/testing/protocmp. (#2391 by @Electronic-Waste)
• Fix TestReconcileBatchJob (#2350 by @forsaken628)
• Fix apple silicon rosetta error when building images from the source code (#2342 by @helenxie-bit)
• fix katib use crds token pipeline trail template guide (#2330 by @Jerry-yz)
• Fix Scikit-Learn Version for Skopt Tests (#2336 by @andreyvelich)

Misc

• Support old-style TensorFlow events (tensorboard) (#2517 by @garymm)
• Set experiment names at a max of 40 characters. (#2468 by @AydanPirani)
• [CI] optimize katib ui dockerfile (#2505 by @mahdikhashan)
• Sort experiments by descending creation date by default in katib-ui (#2498 by @Doris-xm)
• [GSoC] Add unit tests for tune API (#2423 by @helenxie-bit)
• Update MutatingWebhookConfiguration: Switch from objectSelector to AdmissionWebhookMatchConditions (#2241 by @lianghao208)
• chore: supporting the listen-address parameter on db-manager (#2465 by @caiofralmeida)
• Upgrade klog to v2 (#2470 by @Doris-xm)
• Ignore cache exporting errors in the image building workflows (#2487 by @Doris-xm)
• Upgrade grpcio version to v1.64.1 (#2483 by @Electronic-Waste)
• docs: remove katib workflow (#2443 by @gonmmarques)
• Migrate KatibCertGenerator to OPA CertController (#2345 by @forsaken628)
• Promote @Electronic-Waste and @helenxie-bit as Katib reviewers (#2439 by @andreyvelich)
• Update README and out-of-date docs (#2438 by @andreyvelich)
• Changes isort profile to black, to be fully compatible and adds 'pkg' dir for black and flake8 (#2413 by @Ygnas)
• Introduced error constants and replaced reflect with cmp (#2289 by @tariq-hasan)
• [Test] Refactor inject_webhook_test.go according to the Developer Guide (#2401 by @Electronic-Waste)
• Enhance pre-commit hooks with flake8 and black (#2407 by @Ygnas)
• added Distribution field to feasibleSpace in api.proto (#2397 by @shashank-iitbhu)
• Begin enabling pre-commit hooks (#2242 by @droctothorpe)
• Update Instructions for Argo Workflows (#2382 by @jaffe-fly)
• docs: update suggestion.md (#2387 by @eltociear)
• Add command to re-run GitHub Actions tests (#2385 by @andreyvelich)
• Bump Katib Python SDK to 0.17.0 version (#2379 by @andreyvelich)
• Add Changelog for Katib v0.17.0 (#2380 by @andreyvelich)
• Replaced hpcloud with nxadm for tail package in Go (#2375 by @tariq-hasan)
• Use ErrorList for experiment validator (#2329 by @ckcd)
• Add Changelog for Katib v0.17.0-rc.1 (#2370 by @andreyvelich)
• Remove default caBundle value (#2368 by @vihangm)
• Bump Katib Python SDK to 0.17.0rc1 version (#2365 by @andreyvelich)
• Add unit test for create_experiment in the katib_client module (#2325 by @tariq-hasan)
• Remove code generation from release script (#2363 by @andreyvelich)
• Upgrade the protobuf version to >=4.21.12,<5 (#2358 by @tenzen-y)
• Replace gRPC code generation tool from Znly/protoc to Buf (#2344 by @forsaken628)
• Replace already closed github.com/golang/mock with go.uber.org/mock (#2357 by @forsaken628)
• Use cache-dependency-path in actions/setup-go for CI workflow (#2355 by @forsaken628)
• Update Slack Invitation (#2349 by @andreyvelich)
• Update GitHub template to better triage Issues (#2335 by @andreyvelich)
• Add Changelog for Katib v0.17.0-rc.0 (#2319 by @andreyvelich)
• Update outdated actions (#2324 by @Mersho)
• Make test fields private in Go unit tests (#2316 by @tariq-hasan)
• Bump Katib Python SDK to 0.17.0rc0 Version (#2318 by @andreyvelich)

New Contributors

• @saileshd1402 made their first contribution in #2535
• @mahdikhashan made their first contribution in #2496
• @helenxie-bit made their first contribution in #2333
• @shashank-iitbhu made their first contribution in #2334
• @truc0 made their first contribution in #2482
• @tariq-hasan made their first contribution in #2289
• @Ygnas made their first contribution in #2407
• @jaffe-fly made their first contribution in #2382
• @eltociear made their first contribution in #2387
• @vihangm made their first contribution in #2368