Update community-channels.md

Author: walnut-the-cat

docs/maintenance/community-channels.md

@@ -10,21 +10,13 @@ description: Node Operator Community Channels
 
 NEAR Protocol will communicate with node operators using these channels. If you are running a NEAR node, please join these channels, so you will be notified.
 
-1. Releases are announced on [Discord](https://discord.gg/ZMPr3VB), [Telegram](https://t.me/near_validators), [Twitter](https://twitter.com/NEARChainStatus), and by [email](http://eepurl.com/heLZhb). Please join the these channels, follow up along on twitter, and sign up for release email alerts here: http://eepurl.com/heLZhb.
+1. Releases are announced on [Telegram](https://t.me/near_validators) (TestNet & MainNet release announcements), [Twitter](https://twitter.com/NEARChainStatus) (MainNet release announcements), and by [email](http://eepurl.com/heLZhb) (MainNet release announcements). Please join the these channels, follow up along on twitter, and sign up for release email alerts here: http://eepurl.com/heLZhb.
 
-2. Technical support and troubleshooting by the NEAR team are available in the Validator Channels on [Discord](https://discord.gg/ZMPr3VB) and on [Telegram](https://t.me/near_validators), and by the Open Shards Alliance on [Discord](https://discord.gg/t9Kgbvf).
+2. Technical support and troubleshooting by the NEAR team are available on [Zulip](https://near.zulipchat.com/#narrow/channel/469556-community-support) and on [Telegram](https://t.me/near_validators).
 
 3. Discussions on upcoming changes and early ideation are on [gov.near.org](https://gov.near.org/c/staking-delegation/5).
 
 
-Releases of `nearcore` are on Github repository of [`nearcore`](https://github.com/near/nearcore/issues).
+Releases of `nearcore` are on Github repository of [`nearcore`](https://github.com/near/nearcore/issues) and can be found [HERE](https://github.com/near/nearcore/releases/).
 
-Nearcore future release dates are available on [NEAR Community Google Calendar](https://calendar.google.com/calendar/u/0/embed?src=nearprotocol.com_ltk89omsjnc2ckgbtk6h9157i0@group.calendar.google.com).
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->Got a question?
-<a href="https://stackoverflow.com/questions/tagged/nearprotocol">
-  <h8>Ask it on StackOverflow!</h8></a>
+Nearcore future release dates are available on [NEAR Community Google Calendar](https://calendar.google.com/calendar/u/0/embed?src=nearprotocol.com_ltk89omsjnc2ckgbtk6h9157i0@group.calendar.google.com) and [Nearcore Release schedule sheet](https://docs.google.com/spreadsheets/d/19tOKTFYa06m7-G36k35-Jv5ngMyTc60315bOcxTjbdw/edit?usp=sharing).