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feat: Add EmbeddingCache component to avoid re-embedding identical text

Status: Open.

Feature

#11476 In deepset-ai/haystack;

· Aarkin7 opened on Jun 2, 2026

fix: InputSocket.__post_init__ crashes with IndexError on unsubscripted Variadic type

P3Low priority, leave it in the backlogLow priority, leave it in the backlog

Status: Open.

#11453 In deepset-ai/haystack;

· devteamaegis opened on Jun 1, 2026

BUG: expand_page_range() raises confusing ValueError for multi-hyphen range strings

P2Medium priority, add to the next sprint if no P1 availableMedium priority, add to the next sprint if no P1 available

Status: Open.

Bug

#11449 In deepset-ai/haystack;

· devteamaegis opened on May 31, 2026

[Feature Request] Memory Poisoning Protection for Haystack via OWASP Agent Memory Guard

Status: Open.

#11448 In deepset-ai/haystack;

· vgudur-dev opened on May 31, 2026

fix: make Document.id deterministic regardless of meta key order

P2Medium priority, add to the next sprint if no P1 availableMedium priority, add to the next sprint if no P1 available

Status: Open.

Bug

#11445 In deepset-ai/haystack;

· Aarkin7 opened on May 31, 2026

Docs: Add a docs page for PythonCodeSplitter

Contributions wanted!Looking for external contributionsLooking for external contributions

P2Medium priority, add to the next sprint if no P1 availableMedium priority, add to the next sprint if no P1 available

Status: Open.

Docs

#11434 In deepset-ai/haystack;

· julian-risch opened on May 29, 2026

bug: HuggingFaceLocalGenerator returns N×M replies instead of N when stop_words has multiple entries

P3Low priority, leave it in the backlogLow priority, leave it in the backlog

Status: Open.

Bug

#11409 In deepset-ai/haystack;

· sachinn854 opened on May 26, 2026

meta_fields_to_embed silently drops valid falsy metadata values (0, False)

Status: Open.

Bug

#11405 In deepset-ai/haystack;

· rautaditya2606 opened on May 26, 2026

Feature: Add MCP server trust scoring for pipeline tool nodes

P3Low priority, leave it in the backlogLow priority, leave it in the backlog

Status: Open.

Feature

#11387 In deepset-ai/haystack;

· vdineshk opened on May 24, 2026

bug: FaithfulnessEvaluator / ContextRelevanceEvaluator silently return NaN when an LLM call fails

P3Low priority, leave it in the backlogLow priority, leave it in the backlog

Status: Open.

Bug

#11383 In deepset-ai/haystack;

· sachinn854 opened on May 23, 2026

EnvVarSecrets: add multi-tenant context support (ContextVar / pipeline-run context)

P2Medium priority, add to the next sprint if no P1 availableMedium priority, add to the next sprint if no P1 available

Status: Open.

Feature

#11366 In deepset-ai/haystack;

· tstadel opened on May 21, 2026

feat: support token-based budget in LostInTheMiddleRanker

P3Low priority, leave it in the backlogLow priority, leave it in the backlog

Status: Open.

Feature

#11351 In deepset-ai/haystack;

· Aarkin7 opened on May 20, 2026