Other updates · Official

Official news, first rumor reports and substantive progress. Each entry keeps the information published at that time.

• Amazon Bedrock clarifies when Advanced Prompt Optimization returns the original prompt

  Amazon Bedrock's documentation history says Advanced Prompt Optimization prompt shortening depends on the evaluation: if the original prompt already scores at the maximum on the evaluation samples, or if the samples do not distinguish between candidate prompts, the original prompt is returned with a compression ratio of 1.0. Guidance on choosing evaluation samples was also updated (doc row dated October 26, 2026).

  OfficialOfficial updateOct 27Source: Amazon (AWS)Part of Amazon Bedrock
• Amazon Bedrock Advanced Prompt Optimization adds prompt shortening and accepts application inference profiles

  Amazon Bedrock's documentation history says Advanced Prompt Optimization can now shorten prompts, enabled per prompt template, to reduce prompt length while maintaining or improving evaluation scores. Application inference profiles are now accepted as target and judge models, and results include median time to first token and average and median latency.

  OfficialOfficial updateOct 20Source: Amazon (AWS)Part of Amazon Bedrock
• Amazon Bedrock Guardrails contextual grounding checks now support the Standard tier

  Amazon Bedrock Guardrails contextual grounding checks now support the Standard safeguard tier, per the Bedrock documentation history entry dated October 19, 2026. AWS says the Standard tier supports responses that include reasoning or conversational content, returns more consistent scores and supports additional languages.

  OfficialOfficial updateOct 19Source: Amazon Bedrock documentation historyPart of Amazon Bedrock

RSS for this view →