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[12.0] Updated the 12_0 release documents with latest known issues #9416

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Dec 20, 2021
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[12.0] Updated the 12_0 release documents with latest known issues #9416

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9 changes: 9 additions & 0 deletions doc/releasenotes/12_0_0_release_notes.md
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Expand Up @@ -14,6 +14,15 @@ While `Gen4` has been under development for a few release cycles, we have now re

To use `Gen4`, VTGate's `-planner_version` flag needs to be set to `gen4`.

## Known Issues

- A critical vulnerability [CVE-2021-44228](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228) in the Apache Log4j logging library was disclosed on Dec 9.
The project provided release `2.15.0` with a patch that mitigates the impact of this CVE. It was quickly found that the initial patch was insufficient, and an additional CVE
[CVE-2021-45046](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45046) followed.
This has been fixed in release `2.16.0`. This release, `v12.0.0`, uses a version of Log4j below `2.16.0`, for this reason we encourage you to use `v12.0.2` instead, which contains the patch for the vulnerability.

- An issue related to `-keep_data` being ignored in v2 vreplication workflows (#9174), has been fixed in release `>= v12.0.1`.

## Incompatible Changes

### vtctl command output
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9 changes: 9 additions & 0 deletions doc/releasenotes/12_0_0_summary.md
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Expand Up @@ -14,6 +14,15 @@ While `Gen4` has been under development for a few release cycles, we have now re

To use `Gen4`, VTGate's `-planner_version` flag needs to be set to `gen4`.

## Known Issues

- A critical vulnerability [CVE-2021-44228](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228) in the Apache Log4j logging library was disclosed on Dec 9.
The project provided release `2.15.0` with a patch that mitigates the impact of this CVE. It was quickly found that the initial patch was insufficient, and an additional CVE
[CVE-2021-45046](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45046) followed.
This has been fixed in release `2.16.0`. This release, `v12.0.0`, uses a version of Log4j below `2.16.0`, for this reason we encourage you to use `v12.0.2` instead, which contains the patch for the vulnerability.

- An issue related to `-keep_data` being ignored in v2 vreplication workflows (#9174), has been fixed in release `>= v12.0.1`.

### Query Buffering during failovers
In order to support buffering during resharding cutovers in addition to primary failovers, a new implementation
of query buffering has been added.
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7 changes: 7 additions & 0 deletions doc/releasenotes/12_0_1_release_notes.md
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This patch is providing an update regarding the Apache Log4j security vulnerability (CVE-2021-44228) (#9357), along with a few bug fixes.

## Known Issues

- A critical vulnerability [CVE-2021-44228](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228) in the Apache Log4j logging library was disclosed on Dec 9.
The project provided release `2.15.0` with a patch that mitigates the impact of this CVE. It was quickly found that the initial patch was insufficient, and an additional CVE
[CVE-2021-45046](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45046) followed.
This has been fixed in release `2.16.0`. This release, `v12.0.1`, contains the initial patch by upgrading Log4j to `2.15.0`, we encourage you to use `v12.0.2` instead, which contains the latest patch for the vulnerability.

------------
## Changelog

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7 changes: 7 additions & 0 deletions doc/releasenotes/12_0_1_summary.md
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## Major Changes

This patch is providing an update regarding the Apache Log4j security vulnerability (CVE-2021-44228) (#9357), along with a few bug fixes.

## Known Issues

- A critical vulnerability [CVE-2021-44228](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228) in the Apache Log4j logging library was disclosed on Dec 9.
The project provided release `2.15.0` with a patch that mitigates the impact of this CVE. It was quickly found that the initial patch was insufficient, and an additional CVE
[CVE-2021-45046](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45046) followed.
This has been fixed in release `2.16.0`. This release, `v12.0.1`, contains the initial patch by upgrading Log4j to `2.15.0`, we encourage you to use `v12.0.2` instead, which contains the latest patch for the vulnerability.