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docs: map custom_instructions to --append-system-prompt (#1480)#1484

Merged
ashwin-ant merged 2 commits into
anthropics:mainanthropics/claude-code-action:mainfrom
farmer-data:docs/migration-append-system-promptfarmer-data/claude-code-action:docs/migration-append-system-promptCopy head branch name to clipboard
Jul 16, 2026
Merged

docs: map custom_instructions to --append-system-prompt (#1480)#1484
ashwin-ant merged 2 commits into
anthropics:mainanthropics/claude-code-action:mainfrom
farmer-data:docs/migration-append-system-promptfarmer-data/claude-code-action:docs/migration-append-system-promptCopy head branch name to clipboard

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@farmer-data

@farmer-data farmer-data commented Jul 9, 2026

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Summary

Fixes #1480. The v1 migration guide maps the v0 custom_instructions input to claude_args: --system-prompt, but the semantics differ:

  • custom_instructions (v0) appended to Claude Code's default system prompt.
  • --system-prompt replaces the entire default system prompt.

Anyone following the guide silently lost the whole built-in Claude Code system prompt (tool-usage guidance, sub-agent conventions, etc.), keeping only their custom lines. The append-semantics equivalent is --append-system-prompt.

Credit to @szihs for the report and the self-contained reproducer in #1480, which captures the composed system field on the wire and shows --system-prompt dropping the default prompt while --append-system-prompt supplements it.

Changes (docs/migration-guide.md, docs-only)

  • Map custom_instructions → --append-system-prompt in the deprecated-inputs table, the migration example, and the migration checklist.
  • Correct the claude_args options table: --system-prompt replaces the entire default system prompt; add an --append-system-prompt row for append behavior.

Scope

Covers suggestions (1) and (2) from #1480. The optional runtime warning when claude_args contains --system-prompt — suggestion (3) — is a code change and is intentionally left as a separate follow-up.

Verification

  • bun run format:check → clean
  • No code paths touched; the action already forwards --append-system-prompt through claude_args.

🤖 Generated with Claude Code

@farmer-data @claude
docs: map custom_instructions to --append-system-prompt (anthropics#1480
367d9cd 
)

The v1 migration guide mapped the v0 `custom_instructions` input to
`claude_args: --system-prompt`, but these have different semantics:
`custom_instructions` *appended* to Claude Code's default system prompt,
while `--system-prompt` *replaces* it entirely. Users who followed the
guide silently lost the whole built-in system prompt (tool-usage guidance,
sub-agent conventions, etc.), keeping only their few custom lines.

Fixes anthropics#1480:
- Map `custom_instructions` -> `--append-system-prompt` (matches v0 append
  semantics) in the deprecated-inputs table, the migration example, and the
  checklist.
- Correct the claude_args options table: `--system-prompt` replaces the
  entire prompt; add an `--append-system-prompt` row for append behavior.

Docs-only; no code changes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@EffortlessSteven

EffortlessSteven commented Jul 10, 2026

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You’ll also want to address the remaining custom_instructions migration references to round out #1480:

  • docs/usage.md — deprecated-inputs table and quick migration example
  • docs/faq.md — migration section and example
  • docs/configuration.md — deprecated-inputs migration table

@farmer-data @claude
docs: fix remaining custom_instructions migration references (anthrop…
df8d6b0 
…ics#1480)

Update usage.md, faq.md, and configuration.md to map custom_instructions
to --append-system-prompt, matching the migration-guide fix. The
override_prompt row is left unchanged since replacement semantics may be
intended there.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@farmer-data

farmer-data commented Jul 10, 2026

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Thanks for pointing these out — agreed they should be part of this fix. I've addressed them in df8d6b0:

  • docs/usage.md — deprecated-inputs table and the quick migration example
  • docs/faq.md — migration section and example
  • docs/configuration.md — deprecated-inputs migration table

One note: I left the override_prompt row in docs/usage.md unchanged. Since override_prompt replaced the whole constructed prompt in v0, --system-prompt's replacement semantics may be intentional there, so I'd rather leave that to the maintainers to weigh in on.

@ashwin-ant
ashwin-ant merged commit 2988cbe into anthropics:main Jul 16, 2026
7 of 37 checks passed
mergify Bot added a commit to ArcadeData/arcadedb that referenced this pull request Jul 19, 2026
@mergify
chore(deps): bump the github-actions group with 5 updates [skip ci]
3ca18b5 
Bumps the github-actions group with 5 updates:
| Package | From | To |
| --- | --- | --- |
| [actions/setup-java](https://github.com/actions/setup-java) | `5.5.0` | `5.6.0` |
| [anthropics/claude-code-action](https://github.com/anthropics/claude-code-action) | `1.0.171` | `1.0.178` |
| [github/codeql-action/upload-sarif](https://github.com/github/codeql-action) | `4.37.0` | `4.37.1` |
| [github/codeql-action/init](https://github.com/github/codeql-action) | `4.37.0` | `4.37.1` |
| [github/codeql-action/analyze](https://github.com/github/codeql-action) | `4.37.0` | `4.37.1` |
Updates `actions/setup-java` from 5.5.0 to 5.6.0
Release notes

*Sourced from [actions/setup-java's releases](https://github.com/actions/setup-java/releases).*

> v5.6.0
> ------
>
> What's Changed
> --------------
>
> * Backport to v5: Add Maven compiler problem matcher for javac diagnostics by [`@​brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1087](https://redirect.github.com/actions/setup-java/pull/1087)
> * feat: expose cache-primary-key output ([#597](https://redirect.github.com/actions/setup-java/issues/597)) [v5 backport] by [`@​brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1089](https://redirect.github.com/actions/setup-java/pull/1089)
> * dist: Cover Tencent Kona JDK 25 ([#1108](https://redirect.github.com/actions/setup-java/issues/1108)) [v5 backport] by [`@​brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1110](https://redirect.github.com/actions/setup-java/pull/1110)
> * Backport [#1111](https://redirect.github.com/actions/setup-java/issues/1111): Preserve Maven toolchains across repeated setup-java runs ([#1099](https://redirect.github.com/actions/setup-java/issues/1099)) by [`@​brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1113](https://redirect.github.com/actions/setup-java/pull/1113)
> * Backport [#1097](https://redirect.github.com/actions/setup-java/issues/1097)/[#1098](https://redirect.github.com/actions/setup-java/issues/1098) to v5: cache Maven and Gradle wrapper distributions separately by [`@​brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1122](https://redirect.github.com/actions/setup-java/pull/1122)
>
> **Full Changelog**: <actions/setup-java@v5...v5.6.0>


Commits

* [`03ad4de`](actions/setup-java@03ad4de) Backport [#1097](https://redirect.github.com/actions/setup-java/issues/1097)/[#1098](https://redirect.github.com/actions/setup-java/issues/1098): cache Maven and Gradle wrapper distributions separately...
* [`d229d2e`](actions/setup-java@d229d2e) Backport [#1111](https://redirect.github.com/actions/setup-java/issues/1111): Preserve Maven toolchains across repeated setup-java runs ([#1](https://redirect.github.com/actions/setup-java/issues/1)...
* [`bbf0f69`](actions/setup-java@bbf0f69) dist: Cover Tencent Kona JDK 25 ([#1110](https://redirect.github.com/actions/setup-java/issues/1110))
* [`513edc4`](actions/setup-java@513edc4) feat: expose cache-primary-key output ([#597](https://redirect.github.com/actions/setup-java/issues/597)) [v5 backport] ([#1089](https://redirect.github.com/actions/setup-java/issues/1089))
* [`62df799`](actions/setup-java@62df799) Add Maven compiler problem matcher for javac diagnostics ([#1087](https://redirect.github.com/actions/setup-java/issues/1087))
* [`176156a`](actions/setup-java@176156a) chore: bump version to 5.6.0 for v5 release line
* [`bf7b8de`](actions/setup-java@bf7b8de) build: rebuild dist for backported changes ([#1079](https://redirect.github.com/actions/setup-java/issues/1079), [#1083](https://redirect.github.com/actions/setup-java/issues/1083), [#1084](https://redirect.github.com/actions/setup-java/issues/1084))
* [`0173e6d`](actions/setup-java@0173e6d) Infer distribution from asdf .tool-versions vendor prefix ([#1084](https://redirect.github.com/actions/setup-java/issues/1084))
* [`f45cd82`](actions/setup-java@f45cd82) Rename jdkFile input to jdk-file with deprecated alias ([#1083](https://redirect.github.com/actions/setup-java/issues/1083))
* [`e2863ad`](actions/setup-java@e2863ad) Map Zulu x86 architecture to i686 for Azul Metadata API ([#1079](https://redirect.github.com/actions/setup-java/issues/1079))
* Additional commits viewable in [compare view](actions/setup-java@0f481fc...03ad4de)
  
Updates `anthropics/claude-code-action` from 1.0.171 to 1.0.178
Release notes

*Sourced from [anthropics/claude-code-action's releases](https://github.com/anthropics/claude-code-action/releases).*

> v1.0.178
> --------
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.178>
>
> v1.0.177
> --------
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.177>
>
> v1.0.176
> --------
>
> What's Changed
> --------------
>
> * docs: fix dead example links in custom-automations.md by [`@​evol1228`](https://github.com/evol1228) in [anthropics/claude-code-action#1513](https://redirect.github.com/anthropics/claude-code-action/pull/1513)
> * test: cover prepareContext validation error branches by [`@​farmer-data`](https://github.com/farmer-data) in [anthropics/claude-code-action#1460](https://redirect.github.com/anthropics/claude-code-action/pull/1460)
> * fix: sanitize {{label}} in branch name templates by [`@​pa-arth`](https://github.com/pa-arth) in [anthropics/claude-code-action#1492](https://redirect.github.com/anthropics/claude-code-action/pull/1492)
> * fix(sanitizer): strip alt text from reference-style markdown images by [`@​HumphreySun98`](https://github.com/HumphreySun98) in [anthropics/claude-code-action#1488](https://redirect.github.com/anthropics/claude-code-action/pull/1488)
> * fix: map claude\_args model to SDK options by [`@​Epochex`](https://github.com/Epochex) in [anthropics/claude-code-action#1474](https://redirect.github.com/anthropics/claude-code-action/pull/1474)
> * fix: allow leading underscore in branch names (valid per git-check-ref-format) by [`@​riley-mete-db`](https://github.com/riley-mete-db) in [anthropics/claude-code-action#1486](https://redirect.github.com/anthropics/claude-code-action/pull/1486)
> * fix(format): filter out thinking\_tokens system messages from step summary by [`@​anishesg`](https://github.com/anishesg) in [anthropics/claude-code-action#1479](https://redirect.github.com/anthropics/claude-code-action/pull/1479)
> * docs: map custom\_instructions to --append-system-prompt ([#1480](https://redirect.github.com/anthropics/claude-code-action/issues/1480)) by [`@​farmer-data`](https://github.com/farmer-data) in [anthropics/claude-code-action#1484](https://redirect.github.com/anthropics/claude-code-action/pull/1484)
> * fix: handle null comment/review author from deleted accounts by [`@​pa-arth`](https://github.com/pa-arth) in [anthropics/claude-code-action#1490](https://redirect.github.com/anthropics/claude-code-action/pull/1490)
>
> New Contributors
> ----------------
>
> * [`@​evol1228`](https://github.com/evol1228) made their first contribution in [anthropics/claude-code-action#1513](https://redirect.github.com/anthropics/claude-code-action/pull/1513)
> * [`@​pa-arth`](https://github.com/pa-arth) made their first contribution in [anthropics/claude-code-action#1492](https://redirect.github.com/anthropics/claude-code-action/pull/1492)
> * [`@​HumphreySun98`](https://github.com/HumphreySun98) made their first contribution in [anthropics/claude-code-action#1488](https://redirect.github.com/anthropics/claude-code-action/pull/1488)
> * [`@​Epochex`](https://github.com/Epochex) made their first contribution in [anthropics/claude-code-action#1474](https://redirect.github.com/anthropics/claude-code-action/pull/1474)
> * [`@​riley-mete-db`](https://github.com/riley-mete-db) made their first contribution in [anthropics/claude-code-action#1486](https://redirect.github.com/anthropics/claude-code-action/pull/1486)
> * [`@​anishesg`](https://github.com/anishesg) made their first contribution in [anthropics/claude-code-action#1479](https://redirect.github.com/anthropics/claude-code-action/pull/1479)
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.176>
>
> v1.0.175
> --------
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.175>
>
> v1.0.174
> --------
>
> What's Changed
> --------------
>
> * fix(sanitizer): redact GitHub user-to-server (ghu\_) tokens by [`@​NickNojiri`](https://github.com/NickNojiri) in [anthropics/claude-code-action#1502](https://redirect.github.com/anthropics/claude-code-action/pull/1502)
>
> New Contributors
> ----------------
>
> * [`@​NickNojiri`](https://github.com/NickNojiri) made their first contribution in [anthropics/claude-code-action#1502](https://redirect.github.com/anthropics/claude-code-action/pull/1502)
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.174>
>
> v1.0.173
> --------
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.173>
>
> v1.0.172
> --------
>
> What's Changed
> --------------
>
> * fix(sdk): fail step when result has is\_error:true despite success subtype by [`@​syf2211`](https://github.com/syf2211) in [anthropics/claude-code-action#1496](https://redirect.github.com/anthropics/claude-code-action/pull/1496)
>
> **Full Changelog**: <anthropics/claude-code-action@v1...v1.0.172>


Commits

* [`af0559e`](anthropics/claude-code-action@af0559e) chore: bump Claude Code to 2.1.215 and Agent SDK to 0.3.215
* [`3553f84`](anthropics/claude-code-action@3553f84) chore: bump Claude Code to 2.1.214 and Agent SDK to 0.3.214
* [`700e7f8`](anthropics/claude-code-action@700e7f8) chore: bump Claude Code to 2.1.212 and Agent SDK to 0.3.212
* [`3e807ec`](anthropics/claude-code-action@3e807ec) fix: handle null comment/review author from deleted accounts ([#1490](https://redirect.github.com/anthropics/claude-code-action/issues/1490))
* [`2988cbe`](anthropics/claude-code-action@2988cbe) docs: map custom\_instructions to --append-system-prompt ([#1480](https://redirect.github.com/anthropics/claude-code-action/issues/1480)) ([#1484](https://redirect.github.com/anthropics/claude-code-action/issues/1484))
* [`a1c0599`](anthropics/claude-code-action@a1c0599) fix(format): filter out thinking\_tokens system messages from step summary ([#1](https://redirect.github.com/anthropics/claude-code-action/issues/1)...
* [`5bfa96a`](anthropics/claude-code-action@5bfa96a) fix: allow leading underscore in branch names (valid per git-check-ref-format...
* [`214a706`](anthropics/claude-code-action@214a706) fix: map claude\_args model to SDK options ([#1474](https://redirect.github.com/anthropics/claude-code-action/issues/1474))
* [`5f509a1`](anthropics/claude-code-action@5f509a1) fix(sanitizer): strip alt text from reference-style markdown images ([#1488](https://redirect.github.com/anthropics/claude-code-action/issues/1488))
* [`e64308f`](anthropics/claude-code-action@e64308f) fix: sanitize {{label}} in branch name templates ([#1492](https://redirect.github.com/anthropics/claude-code-action/issues/1492))
* Additional commits viewable in [compare view](anthropics/claude-code-action@e90deca...af0559e)
  
Updates `github/codeql-action/upload-sarif` from 4.37.0 to 4.37.1
Release notes

*Sourced from [github/codeql-action/upload-sarif's releases](https://github.com/github/codeql-action/releases).*

> v4.37.1
> -------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)


Changelog

*Sourced from [github/codeql-action/upload-sarif's changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md).*

> CodeQL Action Changelog
> =======================
>
> See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
>
> [UNRELEASED]
> ------------
>
> No user facing changes.
>
> 4.37.1 - 16 Jul 2026
> --------------------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)
>
> 4.37.0 - 08 Jul 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.26.0](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.0). [#3995](https://redirect.github.com/github/codeql-action/pull/3995)
> * In addition to the existing input format, the `config-file` input for the `codeql-action/init` step will soon support a new `[owner/]repo[@ref][:path]` format. All components except the repository name are optional. If omitted, `owner` defaults to the same owner as the repository the analysis is running for, `ref` to `main`, and `path` to `.github/codeql-action.yaml`. Support for this format ships in this version of the CodeQL Action, but will only be enabled over the coming weeks. [#3973](https://redirect.github.com/github/codeql-action/pull/3973)
>
> 4.36.3 - 01 Jul 2026
> --------------------
>
> No user facing changes.
>
> 4.36.2 - 04 Jun 2026
> --------------------
>
> * Cache CodeQL CLI version information across Actions steps. [#3943](https://redirect.github.com/github/codeql-action/pull/3943)
> * Reduce requests while waiting for analysis processing by using exponential backoff when polling SARIF processing status. [#3937](https://redirect.github.com/github/codeql-action/pull/3937)
> * Update default CodeQL bundle version to [2.25.6](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.6). [#3948](https://redirect.github.com/github/codeql-action/pull/3948)
>
> 4.36.1 - 02 Jun 2026
> --------------------
>
> No user facing changes.
>
> 4.36.0 - 22 May 2026
> --------------------
>
> * *Breaking change*: Bump the minimum required CodeQL bundle version to 2.19.4. [#3894](https://redirect.github.com/github/codeql-action/pull/3894)
> * Add support for SHA-256 Git object IDs. [#3893](https://redirect.github.com/github/codeql-action/pull/3893)
> * Update default CodeQL bundle version to [2.25.5](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.5). [#3926](https://redirect.github.com/github/codeql-action/pull/3926)
>
> 4.35.5 - 15 May 2026
> --------------------
>
> * We have improved how the JavaScript bundles for the CodeQL Action are generated to avoid duplication across bundles and reduce the size of the repository by around 70%. This should have no effect on the runtime behaviour of the CodeQL Action. [#3899](https://redirect.github.com/github/codeql-action/pull/3899)
> * For performance and accuracy reasons, [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) will now only be enabled on a pull request when diff-informed analysis is also enabled for that run. If diff-informed analysis is unavailable (for example, because the PR diff ranges could not be computed), the action will fall back to a full analysis. [#3791](https://redirect.github.com/github/codeql-action/pull/3791)
> * If multiple inputs are provided for the GitHub-internal `analysis-kinds` input, only `code-scanning` will be enabled. The `analysis-kinds` input is experimental, for GitHub-internal use only, and may change without notice at any time. [#3892](https://redirect.github.com/github/codeql-action/pull/3892)
> * Added an experimental change which, when running a Code Scanning analysis for a PR with [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) enabled, prefers CodeQL CLI versions that have a cached overlay-base database for the configured languages. This speeds up analysis for a repository when there is not yet a cached overlay-base database for the latest CLI version. We expect to roll this change out to everyone in May. [#3880](https://redirect.github.com/github/codeql-action/pull/3880)
>
> 4.35.4 - 07 May 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.25.4](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.4). [#3881](https://redirect.github.com/github/codeql-action/pull/3881)
>
> 4.35.3 - 01 May 2026
> --------------------

... (truncated)


Commits

* [`7188fc3`](github/codeql-action@7188fc3) Merge pull request [#4020](https://redirect.github.com/github/codeql-action/issues/4020) from github/update-v4.37.1-9e7c07009
* [`c8b5f69`](github/codeql-action@c8b5f69) Update changelog for v4.37.1
* [`9e7c070`](github/codeql-action@9e7c070) Merge pull request [#4014](https://redirect.github.com/github/codeql-action/issues/4014) from github/mbg/explicit-remote-prefix
* [`3492b7e`](github/codeql-action@3492b7e) Change `REMOTE_PATH_PREFIX` to `remote=`
* [`3654baa`](github/codeql-action@3654baa) Merge remote-tracking branch 'origin/main' into mbg/explicit-remote-prefix
* [`2d682ac`](github/codeql-action@2d682ac) Merge pull request [#4017](https://redirect.github.com/github/codeql-action/issues/4017) from github/dependabot/github\_actions/dot-github/wor...
* [`23f6a50`](github/codeql-action@23f6a50) Merge pull request [#4009](https://redirect.github.com/github/codeql-action/issues/4009) from github/mbg/action-state/additions
* [`1ee3c75`](github/codeql-action@1ee3c75) Merge pull request [#4018](https://redirect.github.com/github/codeql-action/issues/4018) from github/dependabot/github\_actions/dot-github/wor...
* [`e053684`](github/codeql-action@e053684) Merge pull request [#4015](https://redirect.github.com/github/codeql-action/issues/4015) from github/dependabot/npm\_and\_yarn/npm-minor-fd2e83...
* [`6803c56`](github/codeql-action@6803c56) Merge pull request [#4019](https://redirect.github.com/github/codeql-action/issues/4019) from github/update-bundle/codeql-bundle-v2.26.1
* Additional commits viewable in [compare view](github/codeql-action@99df26d...7188fc3)
  
Updates `github/codeql-action/init` from 4.37.0 to 4.37.1
Release notes

*Sourced from [github/codeql-action/init's releases](https://github.com/github/codeql-action/releases).*

> v4.37.1
> -------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)


Changelog

*Sourced from [github/codeql-action/init's changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md).*

> CodeQL Action Changelog
> =======================
>
> See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
>
> [UNRELEASED]
> ------------
>
> No user facing changes.
>
> 4.37.1 - 16 Jul 2026
> --------------------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)
>
> 4.37.0 - 08 Jul 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.26.0](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.0). [#3995](https://redirect.github.com/github/codeql-action/pull/3995)
> * In addition to the existing input format, the `config-file` input for the `codeql-action/init` step will soon support a new `[owner/]repo[@ref][:path]` format. All components except the repository name are optional. If omitted, `owner` defaults to the same owner as the repository the analysis is running for, `ref` to `main`, and `path` to `.github/codeql-action.yaml`. Support for this format ships in this version of the CodeQL Action, but will only be enabled over the coming weeks. [#3973](https://redirect.github.com/github/codeql-action/pull/3973)
>
> 4.36.3 - 01 Jul 2026
> --------------------
>
> No user facing changes.
>
> 4.36.2 - 04 Jun 2026
> --------------------
>
> * Cache CodeQL CLI version information across Actions steps. [#3943](https://redirect.github.com/github/codeql-action/pull/3943)
> * Reduce requests while waiting for analysis processing by using exponential backoff when polling SARIF processing status. [#3937](https://redirect.github.com/github/codeql-action/pull/3937)
> * Update default CodeQL bundle version to [2.25.6](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.6). [#3948](https://redirect.github.com/github/codeql-action/pull/3948)
>
> 4.36.1 - 02 Jun 2026
> --------------------
>
> No user facing changes.
>
> 4.36.0 - 22 May 2026
> --------------------
>
> * *Breaking change*: Bump the minimum required CodeQL bundle version to 2.19.4. [#3894](https://redirect.github.com/github/codeql-action/pull/3894)
> * Add support for SHA-256 Git object IDs. [#3893](https://redirect.github.com/github/codeql-action/pull/3893)
> * Update default CodeQL bundle version to [2.25.5](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.5). [#3926](https://redirect.github.com/github/codeql-action/pull/3926)
>
> 4.35.5 - 15 May 2026
> --------------------
>
> * We have improved how the JavaScript bundles for the CodeQL Action are generated to avoid duplication across bundles and reduce the size of the repository by around 70%. This should have no effect on the runtime behaviour of the CodeQL Action. [#3899](https://redirect.github.com/github/codeql-action/pull/3899)
> * For performance and accuracy reasons, [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) will now only be enabled on a pull request when diff-informed analysis is also enabled for that run. If diff-informed analysis is unavailable (for example, because the PR diff ranges could not be computed), the action will fall back to a full analysis. [#3791](https://redirect.github.com/github/codeql-action/pull/3791)
> * If multiple inputs are provided for the GitHub-internal `analysis-kinds` input, only `code-scanning` will be enabled. The `analysis-kinds` input is experimental, for GitHub-internal use only, and may change without notice at any time. [#3892](https://redirect.github.com/github/codeql-action/pull/3892)
> * Added an experimental change which, when running a Code Scanning analysis for a PR with [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) enabled, prefers CodeQL CLI versions that have a cached overlay-base database for the configured languages. This speeds up analysis for a repository when there is not yet a cached overlay-base database for the latest CLI version. We expect to roll this change out to everyone in May. [#3880](https://redirect.github.com/github/codeql-action/pull/3880)
>
> 4.35.4 - 07 May 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.25.4](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.4). [#3881](https://redirect.github.com/github/codeql-action/pull/3881)
>
> 4.35.3 - 01 May 2026
> --------------------

... (truncated)


Commits

* [`7188fc3`](github/codeql-action@7188fc3) Merge pull request [#4020](https://redirect.github.com/github/codeql-action/issues/4020) from github/update-v4.37.1-9e7c07009
* [`c8b5f69`](github/codeql-action@c8b5f69) Update changelog for v4.37.1
* [`9e7c070`](github/codeql-action@9e7c070) Merge pull request [#4014](https://redirect.github.com/github/codeql-action/issues/4014) from github/mbg/explicit-remote-prefix
* [`3492b7e`](github/codeql-action@3492b7e) Change `REMOTE_PATH_PREFIX` to `remote=`
* [`3654baa`](github/codeql-action@3654baa) Merge remote-tracking branch 'origin/main' into mbg/explicit-remote-prefix
* [`2d682ac`](github/codeql-action@2d682ac) Merge pull request [#4017](https://redirect.github.com/github/codeql-action/issues/4017) from github/dependabot/github\_actions/dot-github/wor...
* [`23f6a50`](github/codeql-action@23f6a50) Merge pull request [#4009](https://redirect.github.com/github/codeql-action/issues/4009) from github/mbg/action-state/additions
* [`1ee3c75`](github/codeql-action@1ee3c75) Merge pull request [#4018](https://redirect.github.com/github/codeql-action/issues/4018) from github/dependabot/github\_actions/dot-github/wor...
* [`e053684`](github/codeql-action@e053684) Merge pull request [#4015](https://redirect.github.com/github/codeql-action/issues/4015) from github/dependabot/npm\_and\_yarn/npm-minor-fd2e83...
* [`6803c56`](github/codeql-action@6803c56) Merge pull request [#4019](https://redirect.github.com/github/codeql-action/issues/4019) from github/update-bundle/codeql-bundle-v2.26.1
* Additional commits viewable in [compare view](github/codeql-action@99df26d...7188fc3)
  
Updates `github/codeql-action/analyze` from 4.37.0 to 4.37.1
Release notes

*Sourced from [github/codeql-action/analyze's releases](https://github.com/github/codeql-action/releases).*

> v4.37.1
> -------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)


Changelog

*Sourced from [github/codeql-action/analyze's changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md).*

> CodeQL Action Changelog
> =======================
>
> See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
>
> [UNRELEASED]
> ------------
>
> No user facing changes.
>
> 4.37.1 - 16 Jul 2026
> --------------------
>
> * *Upcoming breaking change*: Add a deprecation warning for customers using CodeQL version 2.20.6 and earlier. These versions of CodeQL were discontinued on 1 July 2026 alongside GitHub Enterprise Server 3.16, and will be unsupported by the next minor release of the CodeQL Action. [#3956](https://redirect.github.com/github/codeql-action/pull/3956)
> * Update default CodeQL bundle version to [2.26.1](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.1). [#4019](https://redirect.github.com/github/codeql-action/pull/4019)
>
> 4.37.0 - 08 Jul 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.26.0](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.26.0). [#3995](https://redirect.github.com/github/codeql-action/pull/3995)
> * In addition to the existing input format, the `config-file` input for the `codeql-action/init` step will soon support a new `[owner/]repo[@ref][:path]` format. All components except the repository name are optional. If omitted, `owner` defaults to the same owner as the repository the analysis is running for, `ref` to `main`, and `path` to `.github/codeql-action.yaml`. Support for this format ships in this version of the CodeQL Action, but will only be enabled over the coming weeks. [#3973](https://redirect.github.com/github/codeql-action/pull/3973)
>
> 4.36.3 - 01 Jul 2026
> --------------------
>
> No user facing changes.
>
> 4.36.2 - 04 Jun 2026
> --------------------
>
> * Cache CodeQL CLI version information across Actions steps. [#3943](https://redirect.github.com/github/codeql-action/pull/3943)
> * Reduce requests while waiting for analysis processing by using exponential backoff when polling SARIF processing status. [#3937](https://redirect.github.com/github/codeql-action/pull/3937)
> * Update default CodeQL bundle version to [2.25.6](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.6). [#3948](https://redirect.github.com/github/codeql-action/pull/3948)
>
> 4.36.1 - 02 Jun 2026
> --------------------
>
> No user facing changes.
>
> 4.36.0 - 22 May 2026
> --------------------
>
> * *Breaking change*: Bump the minimum required CodeQL bundle version to 2.19.4. [#3894](https://redirect.github.com/github/codeql-action/pull/3894)
> * Add support for SHA-256 Git object IDs. [#3893](https://redirect.github.com/github/codeql-action/pull/3893)
> * Update default CodeQL bundle version to [2.25.5](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.5). [#3926](https://redirect.github.com/github/codeql-action/pull/3926)
>
> 4.35.5 - 15 May 2026
> --------------------
>
> * We have improved how the JavaScript bundles for the CodeQL Action are generated to avoid duplication across bundles and reduce the size of the repository by around 70%. This should have no effect on the runtime behaviour of the CodeQL Action. [#3899](https://redirect.github.com/github/codeql-action/pull/3899)
> * For performance and accuracy reasons, [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) will now only be enabled on a pull request when diff-informed analysis is also enabled for that run. If diff-informed analysis is unavailable (for example, because the PR diff ranges could not be computed), the action will fall back to a full analysis. [#3791](https://redirect.github.com/github/codeql-action/pull/3791)
> * If multiple inputs are provided for the GitHub-internal `analysis-kinds` input, only `code-scanning` will be enabled. The `analysis-kinds` input is experimental, for GitHub-internal use only, and may change without notice at any time. [#3892](https://redirect.github.com/github/codeql-action/pull/3892)
> * Added an experimental change which, when running a Code Scanning analysis for a PR with [improved incremental analysis](https://redirect.github.com/github/roadmap/issues/1158) enabled, prefers CodeQL CLI versions that have a cached overlay-base database for the configured languages. This speeds up analysis for a repository when there is not yet a cached overlay-base database for the latest CLI version. We expect to roll this change out to everyone in May. [#3880](https://redirect.github.com/github/codeql-action/pull/3880)
>
> 4.35.4 - 07 May 2026
> --------------------
>
> * Update default CodeQL bundle version to [2.25.4](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.25.4). [#3881](https://redirect.github.com/github/codeql-action/pull/3881)
>
> 4.35.3 - 01 May 2026
> --------------------

... (truncated)


Commits

* [`7188fc3`](github/codeql-action@7188fc3) Merge pull request [#4020](https://redirect.github.com/github/codeql-action/issues/4020) from github/update-v4.37.1-9e7c07009
* [`c8b5f69`](github/codeql-action@c8b5f69) Update changelog for v4.37.1
* [`9e7c070`](github/codeql-action@9e7c070) Merge pull request [#4014](https://redirect.github.com/github/codeql-action/issues/4014) from github/mbg/explicit-remote-prefix
* [`3492b7e`](github/codeql-action@3492b7e) Change `REMOTE_PATH_PREFIX` to `remote=`
* [`3654baa`](github/codeql-action@3654baa) Merge remote-tracking branch 'origin/main' into mbg/explicit-remote-prefix
* [`2d682ac`](github/codeql-action@2d682ac) Merge pull request [#4017](https://redirect.github.com/github/codeql-action/issues/4017) from github/dependabot/github\_actions/dot-github/wor...
* [`23f6a50`](github/codeql-action@23f6a50) Merge pull request [#4009](https://redirect.github.com/github/codeql-action/issues/4009) from github/mbg/action-state/additions
* [`1ee3c75`](github/codeql-action@1ee3c75) Merge pull request [#4018](https://redirect.github.com/github/codeql-action/issues/4018) from github/dependabot/github\_actions/dot-github/wor...
* [`e053684`](github/codeql-action@e053684) Merge pull request [#4015](https://redirect.github.com/github/codeql-action/issues/4015) from github/dependabot/npm\_and\_yarn/npm-minor-fd2e83...
* [`6803c56`](github/codeql-action@6803c56) Merge pull request [#4019](https://redirect.github.com/github/codeql-action/issues/4019) from github/update-bundle/codeql-bundle-v2.26.1
* Additional commits viewable in [compare view](github/codeql-action@99df26d...7188fc3)
  
Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.
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@ashwin-ant ashwin-ant ashwin-ant approved these changes

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Migration guide maps custom_instructions to --system-prompt, silently replacing the entire system prompt instead of appending

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@farmer-data @EffortlessSteven @ashwin-ant
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