Bump the uv group across 4 directories with 1 update (#364)

Bumps the uv group with 1 update in the / directory:
[langchain-core](https://github.com/langchain-ai/langchain).
Bumps the uv group with 1 update in the /libs/langchain-mongodb
directory: [langchain-core](https://github.com/langchain-ai/langchain).
Bumps the uv group with 1 update in the
/libs/langgraph-checkpoint-mongodb directory:
[langchain-core](https://github.com/langchain-ai/langchain).
Bumps the uv group with 1 update in the /libs/langgraph-store-mongodb
directory: [langchain-core](https://github.com/langchain-ai/langchain).

Updates `langchain-core` from 1.2.22 to 1.2.28
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langchain/releases">langchain-core's
releases</a>.</em></p>
<blockquote>
<h2>langchain-core==1.2.28</h2>
<p>Changes since langchain-core==1.2.27</p>
<p>release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</p>
<h2>langchain-core==1.2.27</h2>
<p>Changes since langchain-core==1.2.26</p>
<p>release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)
chore: add comment explaining <code>pygments&gt;=2.20.0</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36570">#36570</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>.</p>
<h2>langchain-core==1.2.26</h2>
<p>Changes since langchain-core==1.2.25</p>
<p>release(core): 1.2.26 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36511">#36511</a>)
fix(core): add init validator and serialization mappings for Bedrock
models (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34510">#34510</a>)
feat(core): add <code>ChatBaseten</code> to serializable mapping (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36510">#36510</a>)
chore(core): drop <code>gpt-3.5-turbo</code> from docstrings (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36497">#36497</a>)
fix(core): correct parameter names in filter_messages docstring example
(<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36462">#36462</a>)</p>
<h2>langchain-core==1.2.25</h2>
<p>Changes since langchain-core==1.2.24</p>
<p>release(core): 1.2.25 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36473">#36473</a>)
fix(core): harden check for txt files in deprecated prompt loading
functions (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>)
fix(core): fixed typos in the documentation (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36459">#36459</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue resolved in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>.</p>
<h2>langchain-core==1.2.24</h2>
<p>Changes since langchain-core==1.2.23</p>
<p>release(core): 1.2.24 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36434">#36434</a>)
feat(core): impute placeholder filenames for OpenAI file inputs (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36433">#36433</a>)
chore: pygments&gt;=2.20.0 across all packages (CVE-2026-4539) (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36385">#36385</a>)
fix(core): add &quot;computer&quot; to _WellKnownOpenAITools (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36261">#36261</a>)</p>
<h2>langchain-core==1.2.23</h2>
<p>Changes since langchain-core==1.2.22</p>
<p>release(core): 1.2.23 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36323">#36323</a>)
revert: Revert &quot;fix(core): trace invocation params in
metadata&quot; (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36322">#36322</a>)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36243">#36243</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/dd7c3eb3a4acfc834b038ec9dbde94478c66776e"><code>dd7c3eb</code></a>
release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258"><code>af2ed47</code></a>
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7e5858d8078124f98f10102da21414689467c132"><code>7e5858d</code></a>
release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/fe99cb29123b704a90f5c8587a757def3b1471e0"><code>fe99cb2</code></a>
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/65bbd47cb2721c51ef8638f9e7da35247c4bfdde"><code>65bbd47</code></a>
chore(model-profiles): refresh model profile data (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36596">#36596</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/64864041168606535dfbd39055c0dca3dd61b5ba"><code>6486404</code></a>
release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7629c747260cbaed7ca55466d5b9e1b520a7de77"><code>7629c74</code></a>
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ce21bf469d7493f4716bc30feb15a5b3f16ebe1e"><code>ce21bf4</code></a>
ci: convert working-directory to validated dropdown (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36575">#36575</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b8698eacbd2960c7e3195018f42992bf2c9d69c7"><code>b8698ea</code></a>
release(ollama): 1.1.0 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36574">#36574</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3beba77e2e23d498fda07f9b8d6ba00aabfaf69f"><code>3beba77</code></a>
feat(ollama): support <code>response_format</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34612">#34612</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-core==1.2.22...langchain-core==1.2.28">compare
view</a></li>
</ul>
</details>
<br />

Updates `langchain-core` from 1.2.22 to 1.2.28
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langchain/releases">langchain-core's
releases</a>.</em></p>
<blockquote>
<h2>langchain-core==1.2.28</h2>
<p>Changes since langchain-core==1.2.27</p>
<p>release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</p>
<h2>langchain-core==1.2.27</h2>
<p>Changes since langchain-core==1.2.26</p>
<p>release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)
chore: add comment explaining <code>pygments&gt;=2.20.0</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36570">#36570</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>.</p>
<h2>langchain-core==1.2.26</h2>
<p>Changes since langchain-core==1.2.25</p>
<p>release(core): 1.2.26 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36511">#36511</a>)
fix(core): add init validator and serialization mappings for Bedrock
models (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34510">#34510</a>)
feat(core): add <code>ChatBaseten</code> to serializable mapping (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36510">#36510</a>)
chore(core): drop <code>gpt-3.5-turbo</code> from docstrings (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36497">#36497</a>)
fix(core): correct parameter names in filter_messages docstring example
(<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36462">#36462</a>)</p>
<h2>langchain-core==1.2.25</h2>
<p>Changes since langchain-core==1.2.24</p>
<p>release(core): 1.2.25 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36473">#36473</a>)
fix(core): harden check for txt files in deprecated prompt loading
functions (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>)
fix(core): fixed typos in the documentation (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36459">#36459</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue resolved in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>.</p>
<h2>langchain-core==1.2.24</h2>
<p>Changes since langchain-core==1.2.23</p>
<p>release(core): 1.2.24 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36434">#36434</a>)
feat(core): impute placeholder filenames for OpenAI file inputs (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36433">#36433</a>)
chore: pygments&gt;=2.20.0 across all packages (CVE-2026-4539) (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36385">#36385</a>)
fix(core): add &quot;computer&quot; to _WellKnownOpenAITools (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36261">#36261</a>)</p>
<h2>langchain-core==1.2.23</h2>
<p>Changes since langchain-core==1.2.22</p>
<p>release(core): 1.2.23 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36323">#36323</a>)
revert: Revert &quot;fix(core): trace invocation params in
metadata&quot; (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36322">#36322</a>)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36243">#36243</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/dd7c3eb3a4acfc834b038ec9dbde94478c66776e"><code>dd7c3eb</code></a>
release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258"><code>af2ed47</code></a>
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7e5858d8078124f98f10102da21414689467c132"><code>7e5858d</code></a>
release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/fe99cb29123b704a90f5c8587a757def3b1471e0"><code>fe99cb2</code></a>
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/65bbd47cb2721c51ef8638f9e7da35247c4bfdde"><code>65bbd47</code></a>
chore(model-profiles): refresh model profile data (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36596">#36596</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/64864041168606535dfbd39055c0dca3dd61b5ba"><code>6486404</code></a>
release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7629c747260cbaed7ca55466d5b9e1b520a7de77"><code>7629c74</code></a>
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ce21bf469d7493f4716bc30feb15a5b3f16ebe1e"><code>ce21bf4</code></a>
ci: convert working-directory to validated dropdown (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36575">#36575</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b8698eacbd2960c7e3195018f42992bf2c9d69c7"><code>b8698ea</code></a>
release(ollama): 1.1.0 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36574">#36574</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3beba77e2e23d498fda07f9b8d6ba00aabfaf69f"><code>3beba77</code></a>
feat(ollama): support <code>response_format</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34612">#34612</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-core==1.2.22...langchain-core==1.2.28">compare
view</a></li>
</ul>
</details>
<br />

Updates `langchain-core` from 1.2.22 to 1.2.28
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langchain/releases">langchain-core's
releases</a>.</em></p>
<blockquote>
<h2>langchain-core==1.2.28</h2>
<p>Changes since langchain-core==1.2.27</p>
<p>release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</p>
<h2>langchain-core==1.2.27</h2>
<p>Changes since langchain-core==1.2.26</p>
<p>release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)
chore: add comment explaining <code>pygments&gt;=2.20.0</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36570">#36570</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>.</p>
<h2>langchain-core==1.2.26</h2>
<p>Changes since langchain-core==1.2.25</p>
<p>release(core): 1.2.26 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36511">#36511</a>)
fix(core): add init validator and serialization mappings for Bedrock
models (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34510">#34510</a>)
feat(core): add <code>ChatBaseten</code> to serializable mapping (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36510">#36510</a>)
chore(core): drop <code>gpt-3.5-turbo</code> from docstrings (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36497">#36497</a>)
fix(core): correct parameter names in filter_messages docstring example
(<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36462">#36462</a>)</p>
<h2>langchain-core==1.2.25</h2>
<p>Changes since langchain-core==1.2.24</p>
<p>release(core): 1.2.25 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36473">#36473</a>)
fix(core): harden check for txt files in deprecated prompt loading
functions (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>)
fix(core): fixed typos in the documentation (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36459">#36459</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue resolved in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>.</p>
<h2>langchain-core==1.2.24</h2>
<p>Changes since langchain-core==1.2.23</p>
<p>release(core): 1.2.24 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36434">#36434</a>)
feat(core): impute placeholder filenames for OpenAI file inputs (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36433">#36433</a>)
chore: pygments&gt;=2.20.0 across all packages (CVE-2026-4539) (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36385">#36385</a>)
fix(core): add &quot;computer&quot; to _WellKnownOpenAITools (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36261">#36261</a>)</p>
<h2>langchain-core==1.2.23</h2>
<p>Changes since langchain-core==1.2.22</p>
<p>release(core): 1.2.23 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36323">#36323</a>)
revert: Revert &quot;fix(core): trace invocation params in
metadata&quot; (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36322">#36322</a>)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36243">#36243</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/dd7c3eb3a4acfc834b038ec9dbde94478c66776e"><code>dd7c3eb</code></a>
release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258"><code>af2ed47</code></a>
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7e5858d8078124f98f10102da21414689467c132"><code>7e5858d</code></a>
release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/fe99cb29123b704a90f5c8587a757def3b1471e0"><code>fe99cb2</code></a>
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/65bbd47cb2721c51ef8638f9e7da35247c4bfdde"><code>65bbd47</code></a>
chore(model-profiles): refresh model profile data (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36596">#36596</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/64864041168606535dfbd39055c0dca3dd61b5ba"><code>6486404</code></a>
release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7629c747260cbaed7ca55466d5b9e1b520a7de77"><code>7629c74</code></a>
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ce21bf469d7493f4716bc30feb15a5b3f16ebe1e"><code>ce21bf4</code></a>
ci: convert working-directory to validated dropdown (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36575">#36575</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b8698eacbd2960c7e3195018f42992bf2c9d69c7"><code>b8698ea</code></a>
release(ollama): 1.1.0 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36574">#36574</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3beba77e2e23d498fda07f9b8d6ba00aabfaf69f"><code>3beba77</code></a>
feat(ollama): support <code>response_format</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34612">#34612</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-core==1.2.22...langchain-core==1.2.28">compare
view</a></li>
</ul>
</details>
<br />

Updates `langchain-core` from 1.2.22 to 1.2.28
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langchain/releases">langchain-core's
releases</a>.</em></p>
<blockquote>
<h2>langchain-core==1.2.28</h2>
<p>Changes since langchain-core==1.2.27</p>
<p>release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</p>
<h2>langchain-core==1.2.27</h2>
<p>Changes since langchain-core==1.2.26</p>
<p>release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)
chore: add comment explaining <code>pygments&gt;=2.20.0</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36570">#36570</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>.</p>
<h2>langchain-core==1.2.26</h2>
<p>Changes since langchain-core==1.2.25</p>
<p>release(core): 1.2.26 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36511">#36511</a>)
fix(core): add init validator and serialization mappings for Bedrock
models (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34510">#34510</a>)
feat(core): add <code>ChatBaseten</code> to serializable mapping (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36510">#36510</a>)
chore(core): drop <code>gpt-3.5-turbo</code> from docstrings (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36497">#36497</a>)
fix(core): correct parameter names in filter_messages docstring example
(<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36462">#36462</a>)</p>
<h2>langchain-core==1.2.25</h2>
<p>Changes since langchain-core==1.2.24</p>
<p>release(core): 1.2.25 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36473">#36473</a>)
fix(core): harden check for txt files in deprecated prompt loading
functions (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>)
fix(core): fixed typos in the documentation (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36459">#36459</a>)</p>
<p>Credit to Jeff Ponte (<a
href="https://github.com/JDP-Security"><code>@​JDP-Security</code></a>)
for reporting the symlink resolution issue resolved in <a
href="https://redirect.github.com/langchain-ai/langchain/issues/36471">#36471</a>.</p>
<h2>langchain-core==1.2.24</h2>
<p>Changes since langchain-core==1.2.23</p>
<p>release(core): 1.2.24 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36434">#36434</a>)
feat(core): impute placeholder filenames for OpenAI file inputs (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36433">#36433</a>)
chore: pygments&gt;=2.20.0 across all packages (CVE-2026-4539) (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36385">#36385</a>)
fix(core): add &quot;computer&quot; to _WellKnownOpenAITools (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36261">#36261</a>)</p>
<h2>langchain-core==1.2.23</h2>
<p>Changes since langchain-core==1.2.22</p>
<p>release(core): 1.2.23 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36323">#36323</a>)
revert: Revert &quot;fix(core): trace invocation params in
metadata&quot; (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36322">#36322</a>)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36243">#36243</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/dd7c3eb3a4acfc834b038ec9dbde94478c66776e"><code>dd7c3eb</code></a>
release(core): release 1.2.28 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36614">#36614</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258"><code>af2ed47</code></a>
fix(core): add more sanitization to templates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36612">#36612</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7e5858d8078124f98f10102da21414689467c132"><code>7e5858d</code></a>
release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/fe99cb29123b704a90f5c8587a757def3b1471e0"><code>fe99cb2</code></a>
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/65bbd47cb2721c51ef8638f9e7da35247c4bfdde"><code>65bbd47</code></a>
chore(model-profiles): refresh model profile data (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36596">#36596</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/64864041168606535dfbd39055c0dca3dd61b5ba"><code>6486404</code></a>
release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7629c747260cbaed7ca55466d5b9e1b520a7de77"><code>7629c74</code></a>
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ce21bf469d7493f4716bc30feb15a5b3f16ebe1e"><code>ce21bf4</code></a>
ci: convert working-directory to validated dropdown (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36575">#36575</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b8698eacbd2960c7e3195018f42992bf2c9d69c7"><code>b8698ea</code></a>
release(ollama): 1.1.0 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36574">#36574</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3beba77e2e23d498fda07f9b8d6ba00aabfaf69f"><code>3beba77</code></a>
feat(ollama): support <code>response_format</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34612">#34612</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-core==1.2.22...langchain-core==1.2.28">compare
view</a></li>
</ul>
</details>
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