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<code>heir-translate</code>: add <code>--emit-fhe-manifest</code> (stable JSON compilation manifest: params + required keys + provenance)

Status: Open.

#2681 In google/heir;

· ruidazeng opened on Feb 22, 2026

Move HEIR to a hermetic C++ toolchain

buildIssues concerning build systems and processesIssues concerning build systems and processes

Status: Open.

#2675 In google/heir;

· j2kun opened on Feb 20, 2026

If there is a non-private function in the input MLIR called "relu", emit a warning or fail the pipeline early

Status: Open.

#2668 In google/heir;

· j2kun opened on Feb 18, 2026

Support adding arbitrary layout permutation for rank-2 tensor

Status: Open.

#2666 In google/heir;

· VedantParanjape opened on Feb 18, 2026

Analyze the needed set of rotation keys in the presence of loops and computed rotation shifts

Status: Open.

#2662 In google/heir;

· j2kun opened on Feb 18, 2026

[Build][Enhancement] Enable Automatic Kernel Fusion &amp; Integrate FIDESlib GPU Backend into HEIR

Status: Open.

#2652 In google/heir;

· ChiHungWei opened on Feb 13, 2026

Implement CKKS Relinearize

dialect: ckksIssues related to the CKKS dialectIssues related to the CKKS dialect

dialect: lweIssues about the LWE dialectIssues about the LWE dialect

dialect: mod_arith

dialect: polynomialIssues concerning the polynomial dialectIssues concerning the polynomial dialect

dialect: rnsIssues concerning the RNS dialectIssues concerning the RNS dialect

enhancementNew feature or requestNew feature or request

Status: Open.

#2650 In google/heir;

· crockeea opened on Feb 13, 2026

Lowering ConvertBasis from Polynomial

dialect: ckksIssues related to the CKKS dialectIssues related to the CKKS dialect

dialect: lweIssues about the LWE dialectIssues about the LWE dialect

dialect: polynomialIssues concerning the polynomial dialectIssues concerning the polynomial dialect

Status: Open.

#2649 In google/heir;

· crockeea opened on Feb 13, 2026

Lowering RNS-NTT to ModArith-NTT

dialect: mod_arith

dialect: polynomialIssues concerning the polynomial dialectIssues concerning the polynomial dialect

dialect: rnsIssues concerning the RNS dialectIssues concerning the RNS dialect

Status: Open.

#2648 In google/heir;

· crockeea opened on Feb 13, 2026

Lattigo AllocToInPlace pass seems to cause an issue with rescaling when running e2e program

Status: Open.

#2635 In google/heir;

· asraa opened on Feb 10, 2026

Make SchemeParameters accept IntegerAttrs for moduli

Status: Open.

#2630 In google/heir;

· crockeea opened on Feb 10, 2026

Clean up LWECiphertext Attributes

Status: Open.

#2628 In google/heir;

· crockeea opened on Feb 9, 2026