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Current status of DM MySQL 8.4 support (not tested)

4

### What is changed, added or deleted? (Required) Added one row to the table informing MySQL 8.4 is not tested (yet) ### Which TiDB version(s) do your changes apply to?...

alastori

planner: add new cascades planner document

1

### What is changed, added or deleted? (Required) This PR updates documentation for the cascades planner. ### Which TiDB version(s) do your changes apply to? (Required) **Tips for choosing the...

lilin90

Please add information about how to log into the playground dashboard and granana instances

2

File: [/release-8.5/tiup/tiup-playground.md](https://docs.pingcap.com/tidb/stable/tiup-playground) This would also fit will into https://docs.pingcap.com/tidb/stable/tiup-overview/ From https://www.pingcap.com/blog/distributed-sql-tutorial-first-steps-setting-up-tidb-locally/ I was able to use `admin`/`admin` to log into grafana but the `root`/`` didn't work for the dashboard

bkane-msft

config,variable: add new SEM configuration document

2

### First-time contributors' checklist - [ ] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or...

YangKeao

[pingcap/tidb#46609] support s3 profile for dumpling

9

### First-time contributors' checklist - [x] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or deleted?...

takaidohigasi

planner: Add new variable named "tidb_opt_selectivity_factor"

6

### First-time contributors' checklist - [x] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or deleted?...

elsa0520

br: introduce global variable `tidb_advancer_check_point_lag_limit` to control log backup checkpoint lag limitation

3

### First-time contributors' checklist - [x] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or deleted?...

Leavrth

Connect TiDB

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File: [/release-8.5/tidb-cloud/data-service-manage-github-connection.md](https://docs.pingcap.com/tidbcloud/data-service-manage-github-connection)

kantklao4-sketch

tiproxy: add tiproxy usage in the tidb cloud doc

3

### What is changed, added or deleted? (Required) TiProxy will be under public preview on the Dedicated Tier soon. This PR adds an introduction and usage of TiProxy. ### Which...

djshow832

tikv: update rocksdb.max-manifest-file-size default value

3

### First-time contributors' checklist - [ ] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or...

glorv