Hi there! I’m running ST3 on macOS 11 beta.
I’ve tried to move this snippet to a new file:
helo
<svg style="display: none">
<symbol id="envelope" viewBox="0 0 512 512">
<path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"></path>
</symbol>
<symbol id="lock" viewBox="0 0 448 512">
<path d="M400 224h-24v-72C376 68.2 307.8 0 224 0S72 68.2 72 152v72H48c-26.5 0-48 21.5-48 48v192c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V272c0-26.5-21.5-48-48-48zm-104 0H152v-72c0-39.7 32.3-72 72-72s72 32.3 72 72v72z"></path>
</symbol>
<symbol id="microphone-alt" viewBox="0 0 352 512">
<path d="M336 192h-16c-8.84 0-16 7.16-16 16v48c0 74.8-64.49 134.82-140.79 127.38C96.71 376.89 48 317.11 48 250.3V208c0-8.84-7.16-16-16-16H16c-8.84 0-16 7.16-16 16v40.16c0 89.64 63.97 169.55 152 181.69V464H96c-8.84 0-16 7.16-16 16v16c0 8.84 7.16 16 16 16h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16h-56v-33.77C285.71 418.47 352 344.9 352 256v-48c0-8.84-7.16-16-16-16zM176 352c53.02 0 96-42.98 96-96h-85.33c-5.89 0-10.67-3.58-10.67-8v-16c0-4.42 4.78-8 10.67-8H272v-32h-85.33c-5.89 0-10.67-3.58-10.67-8v-16c0-4.42 4.78-8 10.67-8H272v-32h-85.33c-5.89 0-10.67-3.58-10.67-8v-16c0-4.42 4.78-8 10.67-8H272c0-53.02-42.98-96-96-96S80 42.98 80 96v160c0 53.02 42.98 96 96 96z"></path>
</symbol>
</svg>
And when I’m trying to save it, this message appears after a long delay. I’m able to create new files if I don’t paste this snippet.
