bedrock: Enable 1M context window#48542
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bennetbo merged 4 commits intozed-industries:mainfrom Feb 12, 2026
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Adds a new setting `allow_extended_context` to the Bedrock provider that enables the 1M token extended context window beta for supported Anthropic models. When enabled, the `anthropic_beta` field is included in requests to Bedrock with the context-1m-2025-08-07 header value. Only models that support extended context (Claude Sonnet 4.5, Claude Opus 4.5) will have the beta header applied when the setting is enabled. Co-authored-by: Ona <no-reply@ona.com>
rgbkrk
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Feb 9, 2026
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@bennetbo --
Never mind? I just had an older version of Zed Dev built on my machine? Sorry for the noise. |
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For reference -- it's absolutely working |
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Way to give 110%! |
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Auto-applied queued documentation suggestions from: - PR #48908 - PR #48909 - PR #48910 - PR #48912 - PR #48930 - PR #44794 - PR #48763 - PR #45073 - PR #48495 - PR #49374 - PR #49139 - PR #48780 - PR #48619 - PR #48978 - PR #48962 - PR #48988 - PR #47860 - PR #49015 - PR #47095 - PR #47475 - PR #48542 - PR #46766 - PR #47754 - PR #48807 - PR #44506 - PR #49051 - PR #49069 - PR #48842 - PR #48851 - PR #48736 - PR #47673 - PR #49094 - PR #49098 - PR #49622 Generated with script/docs-suggest-publish for human review in draft PR.
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Auto-applied queued documentation suggestions from: - PR #48908 - PR #48909 - PR #48910 - PR #48912 - PR #48930 - PR #44794 - PR #48763 - PR #45073 - PR #48495 - PR #49374 - PR #49139 - PR #48780 - PR #48619 - PR #48978 - PR #48962 - PR #48988 - PR #47860 - PR #49015 - PR #47095 - PR #47475 - PR #48542 - PR #46766 - PR #47754 - PR #48807 - PR #44506 - PR #49051 - PR #49069 - PR #48842 - PR #48851 - PR #48736 - PR #47673 - PR #49094 - PR #49098 - PR #49622 - PR #49554 - PR #49710 - PR #49716 - PR #49732 - PR #49788 - PR #49876 - PR #49902 - PR #49910 - PR #49390 - PR #50027 Generated with script/docs-suggest-publish for human review in draft PR.
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Auto-applied documentation from: - PR #48542: Bedrock extended context window - PR #46766: LSP adapters in settings schema - PR #47754: VSCode tasks.json label generation Skipped (no target file exists): - PR #49069: panel zoom state persistence Already documented from prior batches: - PR #48807, PR #44506, PR #49051, PR #48842, PR #48851, PR #48736
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Auto-applied queued documentation suggestions from: - PR #48908 - PR #48909 - PR #48910 - PR #48912 - PR #48930 - PR #44794 - PR #48763 - PR #45073 - PR #48495 - PR #49374 - PR #49139 - PR #48780 - PR #48619 - PR #48978 - PR #48962 - PR #48988 - PR #47860 - PR #49015 - PR #47095 - PR #47475 - PR #48542 - PR #46766 - PR #47754 - PR #48807 - PR #44506 - PR #49051 - PR #49069 - PR #48842 - PR #48851 - PR #48736 - PR #47673 - PR #49094 - PR #49098 - PR #49622 - PR #49554 - PR #49710 - PR #49716 - PR #49732 - PR #49788 - PR #49876 - PR #49902 - PR #49910 - PR #49390 - PR #50027 Generated with script/docs-suggest-publish for human review in draft PR.
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Auto-applied documentation from: - PR #48542: Bedrock extended context window - PR #46766: LSP adapters in settings schema - PR #47754: VSCode tasks.json label generation Skipped (no target file exists): - PR #49069: panel zoom state persistence Already documented from prior batches: - PR #48807, PR #44506, PR #49051, PR #48842, PR #48851, PR #48736
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Release Notes:
allow_extended_contextto the Bedrock settings which enables 1M context windows on models that support it