Observable is an interactive code notebook I use for work. When using on Chrome it works like a charm, but when I log in on Beam it raised «  Application error: client-side exception».
One hypothesis is that Beam blocks some JS libraries (sentry, google analytics) as I see the following errors in my console:
[Error] Resource blocked by content blocker
fetch
(anonymous function) (_app-be06ea1e082913de.js:1:93624)
t (_app-be06ea1e082913de.js:1:49379)
(anonymous function) (_app-be06ea1e082913de.js:1:93600)
add (_app-be06ea1e082913de.js:1:88818)
(anonymous function) (_app-be06ea1e082913de.js:1:93572)
(anonymous function) (_app-be06ea1e082913de.js:1:87090)
(anonymous function) (_app-be06ea1e082913de.js:1:82357)
(anonymous function) (_app-be06ea1e082913de.js:1:80953)
(anonymous function) (_app-be06ea1e082913de.js:1:5975)
(anonymous function) (_app-be06ea1e082913de.js:1:5240)
Qe (_app-be06ea1e082913de.js:1:97739)
(anonymous function) (_app-be06ea1e082913de.js:1:97577)
be (_app-be06ea1e082913de.js:1:97669)
(anonymous function) (_app-be06ea1e082913de.js:1:112492)
(anonymous function) (_app-be06ea1e082913de.js:1:112496)
(anonymous function) (_app-be06ea1e082913de.js:1:112676)
n (webpack-ad02ebd903b8a2cd.js:1:154)
e (_app-be06ea1e082913de.js:1:780385)
(anonymous function) (_app-be06ea1e082913de.js:1:780440)
(anonymous function) (webpack-ad02ebd903b8a2cd.js:1:524)
(anonymous function) (_app-be06ea1e082913de.js:1:780476)
t (webpack-ad02ebd903b8a2cd.js:1:3987)
t
Global Code (_app-be06ea1e082913de.js:1)
fetch
(anonymous function) (_app-be06ea1e082913de.js:1:93624)
t (_app-be06ea1e082913de.js:1:49379)
(anonymous function) (_app-be06ea1e082913de.js:1:93600)
add (_app-be06ea1e082913de.js:1:88818)
(anonymous function) (_app-be06ea1e082913de.js:1:93572)
(anonymous function) (_app-be06ea1e082913de.js:1:87090)
(anonymous function) (_app-be06ea1e082913de.js:1:82357)
(anonymous function) (_app-be06ea1e082913de.js:1:80953)
(anonymous function) (_app-be06ea1e082913de.js:1:5975)
(anonymous function) (_app-be06ea1e082913de.js:1:5240)
Qe (_app-be06ea1e082913de.js:1:97739)
(anonymous function) (_app-be06ea1e082913de.js:1:97577)
be (_app-be06ea1e082913de.js:1:97669)
(anonymous function) (_app-be06ea1e082913de.js:1:112492)
(anonymous function) (_app-be06ea1e082913de.js:1:112496)
(anonymous function) (_app-be06ea1e082913de.js:1:112676)
n (webpack-ad02ebd903b8a2cd.js:1:154)
e (_app-be06ea1e082913de.js:1:780385)
(anonymous function) (_app-be06ea1e082913de.js:1:780440)
(anonymous function) (webpack-ad02ebd903b8a2cd.js:1:524)
(anonymous function) (_app-be06ea1e082913de.js:1:780476)
t (webpack-ad02ebd903b8a2cd.js:1:3987)
t
Global Code (_app-be06ea1e082913de.js:1)
[Error] Error while parsing the 'sandbox' attribute: 'allow-downloads' is an invalid sandbox flag.
Di (framework-eeba1b405d308ec4.js:1:104811)
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
vi (framework-eeba1b405d308ec4.js:1:95730)
vi
(anonymous function) (framework-eeba1b405d308ec4.js:1:45205)
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ql (framework-eeba1b405d308ec4.js:1:45151)
Hl (framework-eeba1b405d308ec4.js:1:45086)
yi (framework-eeba1b405d308ec4.js:1:96236)
rs (framework-eeba1b405d308ec4.js:1:110754)
(anonymous function) (main-8f2561ac8a19f9e6.js:1:15940)
Ee (main-8f2561ac8a19f9e6.js:1:15975)
l (main-8f2561ac8a19f9e6.js:1:102345)
(anonymous function) (main-8f2561ac8a19f9e6.js:1:102130)
M (main-8f2561ac8a19f9e6.js:1:6424)
i (main-8f2561ac8a19f9e6.js:1:6628)
(anonymous function) (main-8f2561ac8a19f9e6.js:1:6687)
Promise
(anonymous function) (main-8f2561ac8a19f9e6.js:1:6578)
(anonymous function) (main-8f2561ac8a19f9e6.js:1:10690)
l (main-8f2561ac8a19f9e6.js:1:102345)
(anonymous function) (main-8f2561ac8a19f9e6.js:1:102130)
M (main-8f2561ac8a19f9e6.js:1:6424)
i (main-8f2561ac8a19f9e6.js:1:6628)
promiseReactionJob
[Error] TypeError: undefined is not an object (evaluating 'c[0].x1') — 4142-45349bd9754a46d3.js:1:72622
(anonymous function) (_app-be06ea1e082913de.js:1:33865)
uu (framework-eeba1b405d308ec4.js:1:82799)
(anonymous function) (framework-eeba1b405d308ec4.js:1:85238)
fa (framework-eeba1b405d308ec4.js:1:48716)
hu (framework-eeba1b405d308ec4.js:1:86496)
Li (framework-eeba1b405d308ec4.js:1:103231)
Li
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ti (framework-eeba1b405d308ec4.js:1:99966)
vi (framework-eeba1b405d308ec4.js:1:96052)
vi
(anonymous function) (framework-eeba1b405d308ec4.js:1:45205)
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ql (framework-eeba1b405d308ec4.js:1:45151)
Hl (framework-eeba1b405d308ec4.js:1:45086)
gi (framework-eeba1b405d308ec4.js:1:96148)
notify (5565-00d098d9c946d073.js:1:46705)
notifyNestedSubs (5565-00d098d9c946d073.js:1:47123)
o (5565-00d098d9c946d073.js:1:46553)
m (5565-00d098d9c946d073.js:1:58090)
ni (4142-45349bd9754a46d3.js:1:193441)
e (4142-45349bd9754a46d3.js:1:205632)
i (_app-be06ea1e082913de.js:1:68327)
[Error] TypeError: undefined is not an object (evaluating 'c[0].x1') — 4142-45349bd9754a46d3.js:1:72622
(anonymous function) (_app-be06ea1e082913de.js:1:33865)
ve (main-8f2561ac8a19f9e6.js:1:11503)
fn (main-8f2561ac8a19f9e6.js:1:13586)
value (main-8f2561ac8a19f9e6.js:1:8546)
(anonymous function) (framework-eeba1b405d308ec4.js:1:85281)
fa (framework-eeba1b405d308ec4.js:1:48716)
hu (framework-eeba1b405d308ec4.js:1:86496)
Li (framework-eeba1b405d308ec4.js:1:103231)
Li
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ti (framework-eeba1b405d308ec4.js:1:99966)
vi (framework-eeba1b405d308ec4.js:1:96052)
vi
(anonymous function) (framework-eeba1b405d308ec4.js:1:45205)
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ql (framework-eeba1b405d308ec4.js:1:45151)
Hl (framework-eeba1b405d308ec4.js:1:45086)
gi (framework-eeba1b405d308ec4.js:1:96148)
notify (5565-00d098d9c946d073.js:1:46705)
notifyNestedSubs (5565-00d098d9c946d073.js:1:47123)
o (5565-00d098d9c946d073.js:1:46553)
m (5565-00d098d9c946d073.js:1:58090)
ni (4142-45349bd9754a46d3.js:1:193441)
e (4142-45349bd9754a46d3.js:1:205632)
i (_app-be06ea1e082913de.js:1:68327)
[Error] A client-side exception has occurred, see here for more info: https://nextjs.org/docs/messages/client-side-exception-occurred
(anonymous function) (_app-be06ea1e082913de.js:1:33865)
ve (main-8f2561ac8a19f9e6.js:1:11520)
fn (main-8f2561ac8a19f9e6.js:1:13586)
value (main-8f2561ac8a19f9e6.js:1:8546)
(anonymous function) (framework-eeba1b405d308ec4.js:1:85281)
fa (framework-eeba1b405d308ec4.js:1:48716)
hu (framework-eeba1b405d308ec4.js:1:86496)
Li (framework-eeba1b405d308ec4.js:1:103231)
Li
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ti (framework-eeba1b405d308ec4.js:1:99966)
vi (framework-eeba1b405d308ec4.js:1:96052)
vi
(anonymous function) (framework-eeba1b405d308ec4.js:1:45205)
(anonymous function) (framework-eeba1b405d308ec4.js:1:129532)
Ql (framework-eeba1b405d308ec4.js:1:45151)
Hl (framework-eeba1b405d308ec4.js:1:45086)
gi (framework-eeba1b405d308ec4.js:1:96148)
notify (5565-00d098d9c946d073.js:1:46705)
notifyNestedSubs (5565-00d098d9c946d073.js:1:47123)
o (5565-00d098d9c946d073.js:1:46553)
m (5565-00d098d9c946d073.js:1:58090)
ni (4142-45349bd9754a46d3.js:1:193441)
e (4142-45349bd9754a46d3.js:1:205632)
i (_app-be06ea1e082913de.js:1:68327)