I have the same problem.
Does anyone have any idea what’s going on?
Same here: 
The same problem as what? You don’t reply to anyone in particular, and the post above yours has no problem stated.
If you are seeing a screen suggesting you downgrade, ignore it, it is harmless.
Do you collect posts or what is this answer?
People who follow the thread know what the problem i mean.
And it has been answered multiple times. Here and elsewhere. Please use the search function before posting.
It’s a known issue.
It has not been fixed yet.
No because the thread is 770+ posts long and there is more than just your issue. Grow the hell up.
I used the search function…
and thanks for the short info
applause…
and thank you for your support
Hi everyone!
One simple question, after this update, I got a lot of Teplate variable warning which is of course expected.
But how do I debug these? When reading the warning message, I do not know in which file, which line, or maybe which custom_component is causing the issue. I am sure I missed something…
Source: helpers/template.py:1335
First occurred: April 23, 2021, 11:56:00 PM (2126 occurrences)
Last logged: 12:15:00 AM
Template variable warning: dict object has no element Undefined when rendering '{% set values = {'idle':'off','heat':'heating','cool':'cooling','fan only':'fan'} %}{{ values[value_json.running_state] }}'
Template variable warning: 'dict object' has no attribute 'click' when rendering '{{ value_json.click }}'
Template variable warning: 'dict object' has no attribute 'action' when rendering '{{ value_json.action }}'
Template variable warning: 'dict object' has no attribute 'power_on_behavior' when rendering '{{ value_json.power_on_behavior }}'
Template variable warning: 'mappingproxy object' has no attribute 'icon' when rendering '{%- for item in states.sensor if ( not is_state_attr(item.entity_id, 'hidden', true) and ( is_state_attr(item.entity_id, 'device_class', 'battery') or 'battery' in item.attributes.icon | lower or (item.entity_id | lower).endswith('_bat') or (item.name | lower).endswith('_bat') ) or ( ( 'battery' in item.entity_id | lower or 'battery' in item.name | lower ) and ( item.attributes.icon is not defined ) and ( not is_state_attr(item.entity_id, 'battery_alert_disabled', true) ) and ( not is_state_attr(item.entity_id, 'restored', true) ) ) ) -%} {{ item.entity_id }}{% if not loop.last %}, {% endif %} {%- endfor -%}'
It gives you the full template you can search for. That last one has issues with quotes. Use double quotes outside your template and single quotes inside.
I am sorry to look stupid. How do I search for the full template ? I have many files and right now I use the FIle editor addon. Maybe I should use another one?
Don’t know about the file editor addon but the editor I use (VSCode) you press ctrl+f to find then paste what you are searching for into the find field.
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And this work among all the files and all the folders that you have? Meaning I do not need to open each file containing code and do ctrl+f each time?
Because with File editor, the search is limited to the current file displayed on the screen.
See this post, about 10 posts up
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Is there a reason the “latest” version is a lower release date than what I have installed for both CORE and Supervisor?
Did you set the files to include?
Also exclude the home-assistant.log file.