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Add explaining for empty <code>todo!()</code> in the IR compiler

AIImproving the quality of AI coding assistanceImproving the quality of AI coding assistance

simulatorHydro Deterministic SimulatorHydro Deterministic Simulator

Status: Open.

Task

#2590 In hydro-project/hydro;

· shadaj opened on Feb 17, 2026

feat(hydro_lang): embedded mode

deployHydro Deploy, or other deploymentHydro Deploy, or other deployment

hydro_lang

productionFocused on production deploymentsFocused on production deployments

Status: Open.

Feature

#2589 In hydro-project/hydro;

· MingweiSamuel opened on Feb 16, 2026

bug(hydro_lang): implementation-specific determinism in join, cross_join operator order

dfir_lang syntaxDataflow IR syntax (surface syntax)Dataflow IR syntax (surface syntax)

dfir_rs runtime (core api)dfir_rs runtime (not the surface syntax)dfir_rs runtime (not the surface syntax)

dfir_rs schedulerDFIR runtime scheduler (part of the Core API)DFIR runtime scheduler (part of the Core API)

hydro_lang

P2Medium priorityMedium priority

Status: Open.

Bug

#2587 In hydro-project/hydro;

· MingweiSamuel opened on Feb 16, 2026

bug(dfir_rs): a subgraph may run multiple times in one tick due to race-ish behavior between the graph and external events

dfir_rs schedulerDFIR runtime scheduler (part of the Core API)DFIR runtime scheduler (part of the Core API)

P2Medium priorityMedium priority

Status: Open.

Bug

#2580 In hydro-project/hydro;

· MingweiSamuel opened on Feb 13, 2026

refactor(dfir_rs)!: remove <code>task</code> APIs

dfir_rs runtime (core api)dfir_rs runtime (not the surface syntax)dfir_rs runtime (not the surface syntax)

P2Medium priorityMedium priority

Small

Status: Open.

Task

#2575 In hydro-project/hydro;

· MingweiSamuel opened on Feb 11, 2026

fix(dfir_lang): optimize <code>'tick</code> operators, avoid using state if they are not in a fix point loop

dfir_lang syntaxDataflow IR syntax (surface syntax)Dataflow IR syntax (surface syntax)

P2Medium priorityMedium priority

performance

Status: Open.

Feature

#2573 In hydro-project/hydro;

· MingweiSamuel opened on Feb 11, 2026

fix(hydro_lang): discourage users from using <code>MemberId::from_raw_id</code>

hydro_lang

P2Medium priorityMedium priority

Small

Status: Open.

Task

#2567 In hydro-project/hydro;

· MingweiSamuel opened on Feb 10, 2026

refactor(hydro_lang)!: rename <code>deploy_integration</code> feature to <code>deploy_runtime</code>

deployHydro Deploy, or other deploymentHydro Deploy, or other deployment

hydro_lang

P2Medium priorityMedium priority

Small

Status: Open.

Task

#2563 In hydro-project/hydro;

· MingweiSamuel opened on Feb 9, 2026

bug: hydro programs fail to build when running cargo outside the repo with <code>--manifest-path</code>

hydro_lang

P2Medium priorityMedium priority

Status: Open.

Bug

#2551 In hydro-project/hydro;

· MingweiSamuel opened on Feb 6, 2026

Create deployment trait implementations for <code>Infallible</code>

deployHydro Deploy, or other deploymentHydro Deploy, or other deployment

hydro_lang

P2Medium priorityMedium priority

Status: Open.

Task

#2539 In hydro-project/hydro;

· shadaj opened on Feb 4, 2026

test: test_backtrace, backtrace_chained_ops snapshot test behave differently on local mac/linux vs ci linux

hydro_lang

P2Medium priorityMedium priority

testing

Status: Open.

Bug

#2536 In hydro-project/hydro;

· MingweiSamuel opened on Feb 3, 2026

test: Add integration tests for Docker, ECS deployment

deployHydro Deploy, or other deploymentHydro Deploy, or other deployment

hydro_lang

P2Medium priorityMedium priority

Status: Open.

Task

#2528 In hydro-project/hydro;

· MingweiSamuel opened on Feb 2, 2026