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Fix a deadlock with simultaneous sync and nonsync commit notifications while tearing down RealmCoordinator #5948

Merged
merged 2 commits into from Oct 24, 2022
Merged

Fix a deadlock with simultaneous sync and nonsync commit notifications while tearing down RealmCoordinator #5948

merged 2 commits into from Oct 24, 2022

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tgoyne
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@tgoyne tgoyne commented Oct 18, 2022 •
edited

The scenario which deadlocked is the following:

Sync worker thread: Reporting a sync commit made to object store

  1. SessionWrapper::report_sync_transact()
  2. SyncSession::create_sync_session() wrapped_callback lambda
    Holding strong reference to self and acquires SyncSession::m_state_mutex
    Calls m_sync_transact_callback while holding the mutex
  3. RealmCoordinator::init_external_helpers() sync callback lambda
    Acquires strong reference to self, does some work, then releases it, triggering destructor
  4. ~RealmCoordinator()
  5. ~ExternalCommitHelper()
  6. ExternalCommitHelper::m_thread::join()
    Waiting for the ECH thread to complete, while holding SyncSession::m_state_mutex

Notifier thread: Trying to report a non-sync commit to sync

  1. ExternalCommitHelper::listen()
  2. void RealmCoordinator::on_change()
  3. SyncSession::nonsync_transact_notify()
    Trying to acquire SyncSession::m_state_mutex

To fix this, don't hold SyncSession::m_state_mutex while making the SyncSession -> RealmCoordinator call.

I don't see any way to write a test which would consistently hit this. I hit it while running the tests locally, but only once and it's very rare as I don't think I've ever seen it before and it's not a new bug.

@tgoyne tgoyne self-assigned this Oct 18, 2022
@cla-bot cla-bot bot added the cla: yes label Oct 18, 2022
@tgoyne tgoyne force-pushed the tg/deadlock branch 3 times, most recently from 0710b20 to 6cd24b1 Compare October 21, 2022 20:50
@tgoyne
Fix a deadlock with simultaneous sync and nonsync commit notification…
f2c3d1a 
…s while tearing down RealmCoordinator

The scenario which deadlocked is the following:

Sync worker thread: Reporting a sync commit made to object store
1. SessionWrapper::report_sync_transact()
2. SyncSession::create_sync_session() wrapped_callback lambda
    holding strong reference to self and acquires SyncSession::m_state_mutex
3. RealmCoordinator::init_external_helpers() sync callback lambda
    Acquires strong refence to self, does some work, then releases it, triggering destructor
4. ~RealmCoordinator()
5. ~ExternalCommitHelper()
6. ExternalCommitHelper::m_thread::join()
    Waiting for the ECH thread to complete, while holding SyncSession::m_state_mutex

Notifier thread: Trying to report a non-sync commit to sync
1. ExternalCommitHelper::listen()
2. void RealmCoordinator::on_change()
3. SyncSession::nonsync_transact_notify()
    Trying to acquire SyncSession::m_state_mutex

To fix this, don't hold SyncSession::m_state_mutex while making the SyncSession
-> RealmCoordinator call.
@tgoyne tgoyne requested a review from ironage October 24, 2022 18:26
ironage
ironage approved these changes Oct 24, 2022
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Great catch!

@tgoyne tgoyne merged commit 64ede25 into master Oct 24, 2022
@tgoyne tgoyne deleted the tg/deadlock branch October 24, 2022 22:59
tgoyne added a commit that referenced this pull request Oct 26, 2022
@tgoyne
Merge remote-tracking branch 'origin/master' into feature/exception-u…
f2b799a 
…nification

* origin/master: (22 commits)
  Fix a race condition in error reporting for async open (#5968)
  Updated release notes
  version bump to 12.11.0
  Fix a deadlock with simultaneous sync and nonsync commit notifications while tearing down RealmCoordinator (#5948)
  Track the last line seen and report it when there's an uncaught exception
  Verify that the same key is used when opening multiple DBs for a file
  Add stricter checks for valid reads on encrypted files
  Run core tests with encryption enabled on windows (#5967)
  Fix assertion failures after calling SectionedResults::reset_section_callback() (#5965)
  Add sync integration test for in-memory mode (#5955)
  Added realm core version to app login request (#5961)
  The client sending too much data is now reported as a ProtocolError::limits_exceeded (#5956)
  Updated release notes
  release core v12.10.0
  Fix C-API for realm_object_get_parent (#5960)
  fixed a bug in recovery when copying embedded lists with a single link property prefix in the path (#5957)
  Js/sectioned notification (#5926)
  Use named apikey callbacks
  Fix IN query with TypedLink as left operator
  Fix a use-after-free in client reset when the original RealmCoordinator is gone (#5949)
  ...
cbush pushed a commit to mongodb/docs-realm that referenced this pull request Dec 15, 2022
@admin-token-bot @snyk-bot
[Snyk] Upgrade realm from 10.19.1 to 10.24.0 (#2402)
4ae5fbb 
<h3>Snyk has created this PR to upgrade realm from 10.19.1 to
10.24.0.</h3>

:information_source: Keep your dependencies up-to-date. This makes it
easier to fix existing vulnerabilities and to more quickly identify and
fix newly disclosed vulnerabilities when they affect your project.
<hr/>

- The recommended version is **19 versions** ahead of your current
version.
- The recommended version was released **a month ago**, on 2022-11-13.

The recommended version fixes:

Severity | Issue | PriorityScore (*) | Exploit Maturity |

:-------------------------:|:-------------------------|-------------------------|:-------------------------
<img
src="https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png"
width="20" height="20" title="high severity"/> | Prototype
Pollution<br/>
[SNYK-JS-QS-3153490](https://snyk.io/vuln/SNYK-JS-QS-3153490) |
**554/1000** <br/> **Why?** Proof of Concept exploit, Recently
disclosed, CVSS 7.5 | Proof of Concept

(*) Note that the real score may have changed since the PR was raised.


<details>
<summary><b>Release notes</b></summary>
<br/>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
      <li>
<b>10.24.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.24.0">2022-11-13</a></br><h3>Enhancements</h3>
<ul>
<li>Flexible sync will now wait for the server to have sent all pending
history after a bootstrap before marking a subscription as Complete. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5795"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5795/hovercard">realm/realm-core#5795</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix database corruption and encryption issues on apple platforms.
(<a href="https://snyk.io/redirect/github/realm/realm-js/issues/5076"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/5076/hovercard">#5076</a>,
since v10.12.0)</li>
<li>Sync bootstraps will not be applied in a single write transaction -
they will be applied 1MB of changesets at a time. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5999"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5999/hovercard">realm/realm-core#5999</a>,
since v10.19.0).</li>
<li>Fix a race condition which could result in <code>operation
cancelled</code> errors being delivered to <code>Realm#open</code>
rather than the actual sync error which caused things to fail. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5968"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5968/hovercard">realm/realm-core#5968</a>,
v1.0.0).</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.11.0 to v12.12.0.</li>
</ul>
      </li>
      <li>
<b>10.23.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.23.0">2022-10-31</a></br><h3>Enhancements</h3>
<ul>
<li>Improve performance of client reset with automatic recovery and
converting top-level tables into embedded tables. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5897"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5897/hovercard">realm/realm-core#5897</a>)</li>
<li>If a sync client sends a message larger than 16 MB, the sync server
will request a client reset. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5209"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5209/hovercard">realm/realm-core#5209</a>)</li>
<li>Add two new modes to client reset:
<code>RecoverUnsyncedChanges</code> and
<code>RecoverOrDiscardUnsyncedChanges</code>. The two modes will recover
local/unsynced changes with changes from the server if possible. If not
possible, <code>RecoverOrDiscardUnsyncedChanges</code> will remove the
local Realm file and download a fresh file from the server. The mode
<code>DiscardLocal</code> is duplicated as
<code>DiscardUnsyncedChanges</code>, and <code>DiscardLocal</code> is be
removed in a future version. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4135"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4135/hovercard">#4135</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fixed a use-after-free if the last external reference to an
encrypted Realm was closed between when a client reset error was
received and when the download of the new Realm began. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5949"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5949/hovercard">realm/realm-core#5949</a>,
since v10.20.0)</li>
<li>Opening an unencrypted file with an encryption key would sometimes
report a misleading error message that indicated that the problem was
something other than a decryption failure. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5915"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5915/hovercard">realm/realm-core#5915</a>,
since v1.0.0)</li>
<li>Fixed a rare deadlock which could occur when closing a synchronized
Realm immediately after committing a write transaction when the sync
worker thread has also just finished processing a changeset from the
sync server. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5948"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5948/hovercard">realm/realm-core#5948</a>)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.9.0 to v12.11.0.</li>
</ul>
      </li>
      <li>
<b>10.22.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.22.0">2022-10-17</a></br><h3>Enhancements</h3>
<ul>
<li>Prioritize integration of local changes over remote changes. This
shortens the time users may have to wait when committing local changes.
Stop storing downloaded changesets in history. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5844"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5844/hovercard">realm/realm-core#5844</a>)</li>
<li>Greatly improve the performance of sorting or distincting a
Dictionary's keys or values. The most expensive operation is now
performed O(log N) rather than O(N log N) times, and large Dictionaries
can see upwards of 99% reduction in time to sort. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pulls/5166">realm/realm-core#5166</a>)</li>
<li>Cut the runtime of aggregate operations on large dictionaries in
half. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
<li>Improve performance of aggregate operations on collections of
objects by 2x to 10x. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>If a case insensitive query searched for a string including an
4-byte UTF8 character, the program would crash. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5825"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5825/hovercard">realm/realm-core#5825</a>,
since v1.0.0)</li>
<li><code>Realm#writeCopyTo()</code> doesn't support flexible sync, and
an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5798"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5798/hovercard">realm/realm-core#5798</a>,
since v10.10.0)</li>
<li>Asymmetric object types/classes cannot be used with partition-based
sync, and an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5691"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5691/hovercard">realm/realm-core#5691</a>,
since v10.19.0)</li>
<li>If you set a subscription on a link in flexible sync, the server
would not know how to handle it. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5409"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5409/hovercard">realm/realm-core#5409</a>,
since v10.10.1)</li>
<li>Fixed type declarations for aggregation methods (min, max, sum, avg)
to reflect implementation. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4994"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4994/hovercard">4994</a>,
since v2.0.0)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.6.0 to v12.9.0. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4932"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4932/hovercard">#4932</a> and
<a href="https://snyk.io/redirect/github/realm/realm-js/issues/4983"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4983/hovercard">#4983</a></li>
<li>Added ARM/Linux build guide.</li>
</ul>
      </li>
      <li>
        <b>10.21.1</b> - 2022-09-15
      </li>
      <li>
        <b>10.21.0</b> - 2022-09-12
      </li>
      <li>
        <b>10.20.0</b> - 2022-08-23
      </li>
      <li>
        <b>10.20.0-beta.5</b> - 2022-04-13
      </li>
      <li>
        <b>10.20.0-beta.4</b> - 2022-04-11
      </li>
      <li>
        <b>10.20.0-beta.3</b> - 2022-03-24
      </li>
      <li>
        <b>10.20.0-beta.2</b> - 2022-02-14
      </li>
      <li>
        <b>10.20.0-beta.1</b> - 2022-01-27
      </li>
      <li>
        <b>10.20.0-beta.0</b> - 2022-01-06
      </li>
      <li>
        <b>10.20.0-alpha.2</b> - 2021-11-25
      </li>
      <li>
        <b>10.20.0-alpha.1</b> - 2021-09-22
      </li>
      <li>
        <b>10.20.0-alpha.0</b> - 2021-09-02
      </li>
      <li>
        <b>10.19.5</b> - 2022-07-06
      </li>
      <li>
        <b>10.19.4</b> - 2022-07-05
      </li>
      <li>
        <b>10.19.3</b> - 2022-06-27
      </li>
      <li>
        <b>10.19.2</b> - 2022-06-20
      </li>
      <li>
        <b>10.19.1</b> - 2022-06-07
      </li>
    </ul>
from <a
href="https://snyk.io/redirect/github/realm/realm-js/releases">realm
GitHub release notes</a>
  </details>
</details>


<details>
  <summary><b>Commit messages</b></summary>
  </br>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/28019f68f9991c1120ef98ad836ac37a7362449f">28019f6</a>
[10.24.0] Bump version</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8a716b1bd65dbe8e02b039e6ed16651351a52b0c">8a716b1</a>
Upgrade to Realm Core v12.2.0 (#5108)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/f20fdb5b7f51d952e6641f25c44eb88d1af6f8fa">f20fdb5</a>
[10.23.0] Bump version (#5044)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/fe4986fa0e3e93ea9edad3fc964ba1c408e0e365">fe4986f</a>
Revert &quot;[10.23.0] Bump version (#5042)&quot; (#5043)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/79e958c79776adb3a94a2b71207b7c171956a905">79e958c</a>
[10.23.0] Bump version (#5042)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a54c953a786149e8cf56a5b829da846b7ed30c6a">a54c953</a>
Client reset w/recovery (#4711)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/81c02868dd4ce7b3b6ee00cfceac14151e612a30">81c0286</a>
Upgrade to Realm Core v12.11.0 (#5034)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/0b253fffe8a7bfb74dcc85507340615b7e9484e8">0b253ff</a>
Upgrade to Realm Core v12.10.0 (#5031)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5b4d9bd9e0473b6b07213747c50de552739608b5">5b4d9bd</a>
Fixing prebuilds env (#4925)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5d066041c6eb2967fdee7ab9e8180b5c8e7c5a22">5d06604</a>
Update CHANGELOG.md</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a56c9d84d3aad0a3a93dc6d8add30adbe783d536">a56c9d8</a>
Mention the missing support of RHEL 7 (#5010)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/af024e096cc8e51480a57129120b596bc146f14c">af024e0</a>
workflows: instructions for release process (#4868)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/55f0a0ba076d239d952b049d74e4e1993ddfe693">55f0a0b</a>
Prepare for vNext (#5016)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b4cefea6dfedcad65010a19cd62dee0bfeb3f451">b4cefea</a>
[10.22.0] Bump version (#5014)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/73ff72e55fc4aa6598a742270d2d0d0f03ab6b1b">73ff72e</a>
Reviewed changelog</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/c051c753b6c93442a1c21b2386013623fcabbbbc">c051c75</a>
Update types for min, max, avg &amp; sum (#4999)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/bf883945c5374c9744f94b3cfd97a95f9fa7964e">bf88394</a>
Support importing values with the app importer (#5004)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8e029d691dbed99a1169dc41bdb7e616b9dd61fd">8e029d6</a>
Update index.d.ts (#4993)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b3632f0289b174b8786503c4c082ef8da98db708">b3632f0</a>
Upgrade to Realm Core v12.9.0 (#4985)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/dd501a19715dd7e83497d0417a9957993652dc2b">dd501a1</a>
Expand App Importer (#4988)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/17683a31364cc9772496c767c031abeec5a29b92">17683a3</a>
Realm react contribution guide (#4963)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b9c03f4bb2190262d1a5ad0b8002424d6182b51d">b9c03f4</a>
Upgrade Realm React dependencies (#4960)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/74f22dbc1c3824b0b0ce183e95b23cd9f70e18ca">74f22db</a>
Merge pull request #4956 from realm/geragray-patch-1</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/44cbcd4391c1245ce617e2dbbd86157ac1d1dc5c">44cbcd4</a>
Update README.md</li>
    </ul>

<a
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<!---
(snyk:metadata:{"prId":"efd0c3ca-e244-42a2-a318-8736098b5f6b","prPublicId":"efd0c3ca-e244-42a2-a318-8736098b5f6b","dependencies":[{"name":"realm","from":"10.19.1","to":"10.24.0"}],"packageManager":"npm","type":"auto","projectUrl":"https://app.snyk.io/org/sandbox-2ba/project/50a1c3b6-8d4c-4587-a7ba-f8b958614441?utm_source=github&utm_medium=referral&page=upgrade-pr","projectPublicId":"50a1c3b6-8d4c-4587-a7ba-f8b958614441","env":"prod","prType":"upgrade","vulns":["SNYK-JS-QS-3153490"],"issuesToFix":[{"issueId":"SNYK-JS-QS-3153490","severity":"high","title":"Prototype
Pollution","exploitMaturity":"proof-of-concept","priorityScore":554,"priorityScoreFactors":[{"type":"exploit","label":"Proof
of
Concept","score":107},{"type":"freshness","label":true,"score":71},{"type":"cvssScore","label":"7.5","score":375}]}],"upgrade":["SNYK-JS-QS-3153490"],"upgradeInfo":{"versionsDiff":19,"publishedDate":"2022-11-13T10:28:26.249Z"},"templateVariants":["priorityScore"],"hasFixes":true,"isMajorUpgrade":false,"isBreakingChange":false,"priorityScoreList":[554]})
--->

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
mohammadhunan-dev pushed a commit to mohammadhunan-dev/docs-realm that referenced this pull request Dec 27, 2022
@admin-token-bot @snyk-bot
[Snyk] Upgrade realm from 10.19.1 to 10.24.0 (mongodb#2402)
2dea00b 
<h3>Snyk has created this PR to upgrade realm from 10.19.1 to
10.24.0.</h3>

:information_source: Keep your dependencies up-to-date. This makes it
easier to fix existing vulnerabilities and to more quickly identify and
fix newly disclosed vulnerabilities when they affect your project.
<hr/>

- The recommended version is **19 versions** ahead of your current
version.
- The recommended version was released **a month ago**, on 2022-11-13.

The recommended version fixes:

Severity | Issue | PriorityScore (*) | Exploit Maturity |

:-------------------------:|:-------------------------|-------------------------|:-------------------------
<img
src="https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png"
width="20" height="20" title="high severity"/> | Prototype
Pollution<br/>
[SNYK-JS-QS-3153490](https://snyk.io/vuln/SNYK-JS-QS-3153490) |
**554/1000** <br/> **Why?** Proof of Concept exploit, Recently
disclosed, CVSS 7.5 | Proof of Concept

(*) Note that the real score may have changed since the PR was raised.


<details>
<summary><b>Release notes</b></summary>
<br/>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
      <li>
<b>10.24.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.24.0">2022-11-13</a></br><h3>Enhancements</h3>
<ul>
<li>Flexible sync will now wait for the server to have sent all pending
history after a bootstrap before marking a subscription as Complete. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5795"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5795/hovercard">realm/realm-core#5795</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix database corruption and encryption issues on apple platforms.
(<a href="https://snyk.io/redirect/github/realm/realm-js/issues/5076"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/5076/hovercard">#5076</a>,
since v10.12.0)</li>
<li>Sync bootstraps will not be applied in a single write transaction -
they will be applied 1MB of changesets at a time. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5999"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5999/hovercard">realm/realm-core#5999</a>,
since v10.19.0).</li>
<li>Fix a race condition which could result in <code>operation
cancelled</code> errors being delivered to <code>Realm#open</code>
rather than the actual sync error which caused things to fail. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5968"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5968/hovercard">realm/realm-core#5968</a>,
v1.0.0).</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.11.0 to v12.12.0.</li>
</ul>
      </li>
      <li>
<b>10.23.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.23.0">2022-10-31</a></br><h3>Enhancements</h3>
<ul>
<li>Improve performance of client reset with automatic recovery and
converting top-level tables into embedded tables. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5897"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5897/hovercard">realm/realm-core#5897</a>)</li>
<li>If a sync client sends a message larger than 16 MB, the sync server
will request a client reset. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5209"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5209/hovercard">realm/realm-core#5209</a>)</li>
<li>Add two new modes to client reset:
<code>RecoverUnsyncedChanges</code> and
<code>RecoverOrDiscardUnsyncedChanges</code>. The two modes will recover
local/unsynced changes with changes from the server if possible. If not
possible, <code>RecoverOrDiscardUnsyncedChanges</code> will remove the
local Realm file and download a fresh file from the server. The mode
<code>DiscardLocal</code> is duplicated as
<code>DiscardUnsyncedChanges</code>, and <code>DiscardLocal</code> is be
removed in a future version. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4135"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4135/hovercard">#4135</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fixed a use-after-free if the last external reference to an
encrypted Realm was closed between when a client reset error was
received and when the download of the new Realm began. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5949"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5949/hovercard">realm/realm-core#5949</a>,
since v10.20.0)</li>
<li>Opening an unencrypted file with an encryption key would sometimes
report a misleading error message that indicated that the problem was
something other than a decryption failure. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5915"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5915/hovercard">realm/realm-core#5915</a>,
since v1.0.0)</li>
<li>Fixed a rare deadlock which could occur when closing a synchronized
Realm immediately after committing a write transaction when the sync
worker thread has also just finished processing a changeset from the
sync server. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5948"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5948/hovercard">realm/realm-core#5948</a>)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.9.0 to v12.11.0.</li>
</ul>
      </li>
      <li>
<b>10.22.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.22.0">2022-10-17</a></br><h3>Enhancements</h3>
<ul>
<li>Prioritize integration of local changes over remote changes. This
shortens the time users may have to wait when committing local changes.
Stop storing downloaded changesets in history. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5844"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5844/hovercard">realm/realm-core#5844</a>)</li>
<li>Greatly improve the performance of sorting or distincting a
Dictionary's keys or values. The most expensive operation is now
performed O(log N) rather than O(N log N) times, and large Dictionaries
can see upwards of 99% reduction in time to sort. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pulls/5166">realm/realm-core#5166</a>)</li>
<li>Cut the runtime of aggregate operations on large dictionaries in
half. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
<li>Improve performance of aggregate operations on collections of
objects by 2x to 10x. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>If a case insensitive query searched for a string including an
4-byte UTF8 character, the program would crash. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5825"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5825/hovercard">realm/realm-core#5825</a>,
since v1.0.0)</li>
<li><code>Realm#writeCopyTo()</code> doesn't support flexible sync, and
an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5798"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5798/hovercard">realm/realm-core#5798</a>,
since v10.10.0)</li>
<li>Asymmetric object types/classes cannot be used with partition-based
sync, and an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5691"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5691/hovercard">realm/realm-core#5691</a>,
since v10.19.0)</li>
<li>If you set a subscription on a link in flexible sync, the server
would not know how to handle it. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5409"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5409/hovercard">realm/realm-core#5409</a>,
since v10.10.1)</li>
<li>Fixed type declarations for aggregation methods (min, max, sum, avg)
to reflect implementation. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4994"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4994/hovercard">4994</a>,
since v2.0.0)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.6.0 to v12.9.0. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4932"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4932/hovercard">#4932</a> and
<a href="https://snyk.io/redirect/github/realm/realm-js/issues/4983"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4983/hovercard">#4983</a></li>
<li>Added ARM/Linux build guide.</li>
</ul>
      </li>
      <li>
        <b>10.21.1</b> - 2022-09-15
      </li>
      <li>
        <b>10.21.0</b> - 2022-09-12
      </li>
      <li>
        <b>10.20.0</b> - 2022-08-23
      </li>
      <li>
        <b>10.20.0-beta.5</b> - 2022-04-13
      </li>
      <li>
        <b>10.20.0-beta.4</b> - 2022-04-11
      </li>
      <li>
        <b>10.20.0-beta.3</b> - 2022-03-24
      </li>
      <li>
        <b>10.20.0-beta.2</b> - 2022-02-14
      </li>
      <li>
        <b>10.20.0-beta.1</b> - 2022-01-27
      </li>
      <li>
        <b>10.20.0-beta.0</b> - 2022-01-06
      </li>
      <li>
        <b>10.20.0-alpha.2</b> - 2021-11-25
      </li>
      <li>
        <b>10.20.0-alpha.1</b> - 2021-09-22
      </li>
      <li>
        <b>10.20.0-alpha.0</b> - 2021-09-02
      </li>
      <li>
        <b>10.19.5</b> - 2022-07-06
      </li>
      <li>
        <b>10.19.4</b> - 2022-07-05
      </li>
      <li>
        <b>10.19.3</b> - 2022-06-27
      </li>
      <li>
        <b>10.19.2</b> - 2022-06-20
      </li>
      <li>
        <b>10.19.1</b> - 2022-06-07
      </li>
    </ul>
from <a
href="https://snyk.io/redirect/github/realm/realm-js/releases">realm
GitHub release notes</a>
  </details>
</details>


<details>
  <summary><b>Commit messages</b></summary>
  </br>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/28019f68f9991c1120ef98ad836ac37a7362449f">28019f6</a>
[10.24.0] Bump version</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8a716b1bd65dbe8e02b039e6ed16651351a52b0c">8a716b1</a>
Upgrade to Realm Core v12.2.0 (#5108)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/f20fdb5b7f51d952e6641f25c44eb88d1af6f8fa">f20fdb5</a>
[10.23.0] Bump version (#5044)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/fe4986fa0e3e93ea9edad3fc964ba1c408e0e365">fe4986f</a>
Revert &quot;[10.23.0] Bump version (#5042)&quot; (#5043)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/79e958c79776adb3a94a2b71207b7c171956a905">79e958c</a>
[10.23.0] Bump version (#5042)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a54c953a786149e8cf56a5b829da846b7ed30c6a">a54c953</a>
Client reset w/recovery (#4711)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/81c02868dd4ce7b3b6ee00cfceac14151e612a30">81c0286</a>
Upgrade to Realm Core v12.11.0 (#5034)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/0b253fffe8a7bfb74dcc85507340615b7e9484e8">0b253ff</a>
Upgrade to Realm Core v12.10.0 (#5031)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5b4d9bd9e0473b6b07213747c50de552739608b5">5b4d9bd</a>
Fixing prebuilds env (#4925)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5d066041c6eb2967fdee7ab9e8180b5c8e7c5a22">5d06604</a>
Update CHANGELOG.md</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a56c9d84d3aad0a3a93dc6d8add30adbe783d536">a56c9d8</a>
Mention the missing support of RHEL 7 (#5010)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/af024e096cc8e51480a57129120b596bc146f14c">af024e0</a>
workflows: instructions for release process (#4868)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/55f0a0ba076d239d952b049d74e4e1993ddfe693">55f0a0b</a>
Prepare for vNext (#5016)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b4cefea6dfedcad65010a19cd62dee0bfeb3f451">b4cefea</a>
[10.22.0] Bump version (#5014)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/73ff72e55fc4aa6598a742270d2d0d0f03ab6b1b">73ff72e</a>
Reviewed changelog</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/c051c753b6c93442a1c21b2386013623fcabbbbc">c051c75</a>
Update types for min, max, avg &amp; sum (#4999)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/bf883945c5374c9744f94b3cfd97a95f9fa7964e">bf88394</a>
Support importing values with the app importer (#5004)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8e029d691dbed99a1169dc41bdb7e616b9dd61fd">8e029d6</a>
Update index.d.ts (#4993)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b3632f0289b174b8786503c4c082ef8da98db708">b3632f0</a>
Upgrade to Realm Core v12.9.0 (#4985)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/dd501a19715dd7e83497d0417a9957993652dc2b">dd501a1</a>
Expand App Importer (#4988)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/17683a31364cc9772496c767c031abeec5a29b92">17683a3</a>
Realm react contribution guide (#4963)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b9c03f4bb2190262d1a5ad0b8002424d6182b51d">b9c03f4</a>
Upgrade Realm React dependencies (#4960)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/74f22dbc1c3824b0b0ce183e95b23cd9f70e18ca">74f22db</a>
Merge pull request #4956 from realm/geragray-patch-1</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/44cbcd4391c1245ce617e2dbbd86157ac1d1dc5c">44cbcd4</a>
Update README.md</li>
    </ul>

<a
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  </details>
</details>
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<!---
(snyk:metadata:{"prId":"efd0c3ca-e244-42a2-a318-8736098b5f6b","prPublicId":"efd0c3ca-e244-42a2-a318-8736098b5f6b","dependencies":[{"name":"realm","from":"10.19.1","to":"10.24.0"}],"packageManager":"npm","type":"auto","projectUrl":"https://app.snyk.io/org/sandbox-2ba/project/50a1c3b6-8d4c-4587-a7ba-f8b958614441?utm_source=github&utm_medium=referral&page=upgrade-pr","projectPublicId":"50a1c3b6-8d4c-4587-a7ba-f8b958614441","env":"prod","prType":"upgrade","vulns":["SNYK-JS-QS-3153490"],"issuesToFix":[{"issueId":"SNYK-JS-QS-3153490","severity":"high","title":"Prototype
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--->

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
mohammadhunan-dev pushed a commit to mongodb/docs-realm that referenced this pull request Dec 27, 2022
@admin-token-bot @snyk-bot
[Snyk] Upgrade realm from 10.19.1 to 10.24.0 (#2402)
6b2bfbb 
<h3>Snyk has created this PR to upgrade realm from 10.19.1 to
10.24.0.</h3>

:information_source: Keep your dependencies up-to-date. This makes it
easier to fix existing vulnerabilities and to more quickly identify and
fix newly disclosed vulnerabilities when they affect your project.
<hr/>

- The recommended version is **19 versions** ahead of your current
version.
- The recommended version was released **a month ago**, on 2022-11-13.

The recommended version fixes:

Severity | Issue | PriorityScore (*) | Exploit Maturity |

:-------------------------:|:-------------------------|-------------------------|:-------------------------
<img
src="https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png"
width="20" height="20" title="high severity"/> | Prototype
Pollution<br/>
[SNYK-JS-QS-3153490](https://snyk.io/vuln/SNYK-JS-QS-3153490) |
**554/1000** <br/> **Why?** Proof of Concept exploit, Recently
disclosed, CVSS 7.5 | Proof of Concept

(*) Note that the real score may have changed since the PR was raised.


<details>
<summary><b>Release notes</b></summary>
<br/>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
      <li>
<b>10.24.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.24.0">2022-11-13</a></br><h3>Enhancements</h3>
<ul>
<li>Flexible sync will now wait for the server to have sent all pending
history after a bootstrap before marking a subscription as Complete. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5795"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5795/hovercard">realm/realm-core#5795</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix database corruption and encryption issues on apple platforms.
(<a href="https://snyk.io/redirect/github/realm/realm-js/issues/5076"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/5076/hovercard">#5076</a>,
since v10.12.0)</li>
<li>Sync bootstraps will not be applied in a single write transaction -
they will be applied 1MB of changesets at a time. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5999"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5999/hovercard">realm/realm-core#5999</a>,
since v10.19.0).</li>
<li>Fix a race condition which could result in <code>operation
cancelled</code> errors being delivered to <code>Realm#open</code>
rather than the actual sync error which caused things to fail. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5968"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5968/hovercard">realm/realm-core#5968</a>,
v1.0.0).</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.11.0 to v12.12.0.</li>
</ul>
      </li>
      <li>
<b>10.23.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.23.0">2022-10-31</a></br><h3>Enhancements</h3>
<ul>
<li>Improve performance of client reset with automatic recovery and
converting top-level tables into embedded tables. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5897"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5897/hovercard">realm/realm-core#5897</a>)</li>
<li>If a sync client sends a message larger than 16 MB, the sync server
will request a client reset. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5209"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5209/hovercard">realm/realm-core#5209</a>)</li>
<li>Add two new modes to client reset:
<code>RecoverUnsyncedChanges</code> and
<code>RecoverOrDiscardUnsyncedChanges</code>. The two modes will recover
local/unsynced changes with changes from the server if possible. If not
possible, <code>RecoverOrDiscardUnsyncedChanges</code> will remove the
local Realm file and download a fresh file from the server. The mode
<code>DiscardLocal</code> is duplicated as
<code>DiscardUnsyncedChanges</code>, and <code>DiscardLocal</code> is be
removed in a future version. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4135"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4135/hovercard">#4135</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fixed a use-after-free if the last external reference to an
encrypted Realm was closed between when a client reset error was
received and when the download of the new Realm began. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5949"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5949/hovercard">realm/realm-core#5949</a>,
since v10.20.0)</li>
<li>Opening an unencrypted file with an encryption key would sometimes
report a misleading error message that indicated that the problem was
something other than a decryption failure. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5915"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5915/hovercard">realm/realm-core#5915</a>,
since v1.0.0)</li>
<li>Fixed a rare deadlock which could occur when closing a synchronized
Realm immediately after committing a write transaction when the sync
worker thread has also just finished processing a changeset from the
sync server. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5948"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5948/hovercard">realm/realm-core#5948</a>)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.9.0 to v12.11.0.</li>
</ul>
      </li>
      <li>
<b>10.22.0</b> - <a
href="https://snyk.io/redirect/github/realm/realm-js/releases/tag/v10.22.0">2022-10-17</a></br><h3>Enhancements</h3>
<ul>
<li>Prioritize integration of local changes over remote changes. This
shortens the time users may have to wait when committing local changes.
Stop storing downloaded changesets in history. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5844"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5844/hovercard">realm/realm-core#5844</a>)</li>
<li>Greatly improve the performance of sorting or distincting a
Dictionary's keys or values. The most expensive operation is now
performed O(log N) rather than O(N log N) times, and large Dictionaries
can see upwards of 99% reduction in time to sort. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pulls/5166">realm/realm-core#5166</a>)</li>
<li>Cut the runtime of aggregate operations on large dictionaries in
half. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
<li>Improve performance of aggregate operations on collections of
objects by 2x to 10x. (<a
href="https://snyk.io/redirect/github/realm/realm-core/pull/5864"
data-hovercard-type="pull_request"
data-hovercard-url="/realm/realm-core/pull/5864/hovercard">realm/realm-core#5864</a>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>If a case insensitive query searched for a string including an
4-byte UTF8 character, the program would crash. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5825"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5825/hovercard">realm/realm-core#5825</a>,
since v1.0.0)</li>
<li><code>Realm#writeCopyTo()</code> doesn't support flexible sync, and
an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5798"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5798/hovercard">realm/realm-core#5798</a>,
since v10.10.0)</li>
<li>Asymmetric object types/classes cannot be used with partition-based
sync, and an exception is thrown. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5691"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5691/hovercard">realm/realm-core#5691</a>,
since v10.19.0)</li>
<li>If you set a subscription on a link in flexible sync, the server
would not know how to handle it. (<a
href="https://snyk.io/redirect/github/realm/realm-core/issues/5409"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-core/issues/5409/hovercard">realm/realm-core#5409</a>,
since v10.10.1)</li>
<li>Fixed type declarations for aggregation methods (min, max, sum, avg)
to reflect implementation. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4994"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4994/hovercard">4994</a>,
since v2.0.0)</li>
</ul>
<h3>Compatibility</h3>
<ul>
<li>React Native &gt;= v0.64.0</li>
<li>Atlas App Services.</li>
<li>Realm Studio v12.0.0.</li>
<li>APIs are backwards compatible with all previous releases of Realm
JavaScript in the 10.5.x series.</li>
<li>File format: generates Realms with format v22 (reads and upgrades
file format v5 or later for non-synced Realm, upgrades file format v10
or later for synced Realms).</li>
</ul>
<h3>Internal</h3>
<ul>
<li>Upgraded Realm Core from v12.6.0 to v12.9.0. (<a
href="https://snyk.io/redirect/github/realm/realm-js/issues/4932"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4932/hovercard">#4932</a> and
<a href="https://snyk.io/redirect/github/realm/realm-js/issues/4983"
data-hovercard-type="issue"
data-hovercard-url="/realm/realm-js/issues/4983/hovercard">#4983</a></li>
<li>Added ARM/Linux build guide.</li>
</ul>
      </li>
      <li>
        <b>10.21.1</b> - 2022-09-15
      </li>
      <li>
        <b>10.21.0</b> - 2022-09-12
      </li>
      <li>
        <b>10.20.0</b> - 2022-08-23
      </li>
      <li>
        <b>10.20.0-beta.5</b> - 2022-04-13
      </li>
      <li>
        <b>10.20.0-beta.4</b> - 2022-04-11
      </li>
      <li>
        <b>10.20.0-beta.3</b> - 2022-03-24
      </li>
      <li>
        <b>10.20.0-beta.2</b> - 2022-02-14
      </li>
      <li>
        <b>10.20.0-beta.1</b> - 2022-01-27
      </li>
      <li>
        <b>10.20.0-beta.0</b> - 2022-01-06
      </li>
      <li>
        <b>10.20.0-alpha.2</b> - 2021-11-25
      </li>
      <li>
        <b>10.20.0-alpha.1</b> - 2021-09-22
      </li>
      <li>
        <b>10.20.0-alpha.0</b> - 2021-09-02
      </li>
      <li>
        <b>10.19.5</b> - 2022-07-06
      </li>
      <li>
        <b>10.19.4</b> - 2022-07-05
      </li>
      <li>
        <b>10.19.3</b> - 2022-06-27
      </li>
      <li>
        <b>10.19.2</b> - 2022-06-20
      </li>
      <li>
        <b>10.19.1</b> - 2022-06-07
      </li>
    </ul>
from <a
href="https://snyk.io/redirect/github/realm/realm-js/releases">realm
GitHub release notes</a>
  </details>
</details>


<details>
  <summary><b>Commit messages</b></summary>
  </br>
  <details>
    <summary>Package name: <b>realm</b></summary>
    <ul>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/28019f68f9991c1120ef98ad836ac37a7362449f">28019f6</a>
[10.24.0] Bump version</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8a716b1bd65dbe8e02b039e6ed16651351a52b0c">8a716b1</a>
Upgrade to Realm Core v12.2.0 (#5108)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/f20fdb5b7f51d952e6641f25c44eb88d1af6f8fa">f20fdb5</a>
[10.23.0] Bump version (#5044)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/fe4986fa0e3e93ea9edad3fc964ba1c408e0e365">fe4986f</a>
Revert &quot;[10.23.0] Bump version (#5042)&quot; (#5043)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/79e958c79776adb3a94a2b71207b7c171956a905">79e958c</a>
[10.23.0] Bump version (#5042)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a54c953a786149e8cf56a5b829da846b7ed30c6a">a54c953</a>
Client reset w/recovery (#4711)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/81c02868dd4ce7b3b6ee00cfceac14151e612a30">81c0286</a>
Upgrade to Realm Core v12.11.0 (#5034)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/0b253fffe8a7bfb74dcc85507340615b7e9484e8">0b253ff</a>
Upgrade to Realm Core v12.10.0 (#5031)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5b4d9bd9e0473b6b07213747c50de552739608b5">5b4d9bd</a>
Fixing prebuilds env (#4925)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/5d066041c6eb2967fdee7ab9e8180b5c8e7c5a22">5d06604</a>
Update CHANGELOG.md</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/a56c9d84d3aad0a3a93dc6d8add30adbe783d536">a56c9d8</a>
Mention the missing support of RHEL 7 (#5010)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/af024e096cc8e51480a57129120b596bc146f14c">af024e0</a>
workflows: instructions for release process (#4868)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/55f0a0ba076d239d952b049d74e4e1993ddfe693">55f0a0b</a>
Prepare for vNext (#5016)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b4cefea6dfedcad65010a19cd62dee0bfeb3f451">b4cefea</a>
[10.22.0] Bump version (#5014)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/73ff72e55fc4aa6598a742270d2d0d0f03ab6b1b">73ff72e</a>
Reviewed changelog</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/c051c753b6c93442a1c21b2386013623fcabbbbc">c051c75</a>
Update types for min, max, avg &amp; sum (#4999)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/bf883945c5374c9744f94b3cfd97a95f9fa7964e">bf88394</a>
Support importing values with the app importer (#5004)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/8e029d691dbed99a1169dc41bdb7e616b9dd61fd">8e029d6</a>
Update index.d.ts (#4993)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b3632f0289b174b8786503c4c082ef8da98db708">b3632f0</a>
Upgrade to Realm Core v12.9.0 (#4985)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/dd501a19715dd7e83497d0417a9957993652dc2b">dd501a1</a>
Expand App Importer (#4988)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/17683a31364cc9772496c767c031abeec5a29b92">17683a3</a>
Realm react contribution guide (#4963)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/b9c03f4bb2190262d1a5ad0b8002424d6182b51d">b9c03f4</a>
Upgrade Realm React dependencies (#4960)</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/74f22dbc1c3824b0b0ce183e95b23cd9f70e18ca">74f22db</a>
Merge pull request #4956 from realm/geragray-patch-1</li>
<li><a
href="https://snyk.io/redirect/github/realm/realm-js/commit/44cbcd4391c1245ce617e2dbbd86157ac1d1dc5c">44cbcd4</a>
Update README.md</li>
    </ul>

<a
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</details>
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PRs](https://app.snyk.io/org/sandbox-2ba/project/50a1c3b6-8d4c-4587-a7ba-f8b958614441/settings/integration?pkg&#x3D;realm&amp;utm_source&#x3D;github&amp;utm_medium&#x3D;referral&amp;page&#x3D;upgrade-pr#auto-dep-upgrades)

<!---
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--->

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
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