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Re: [tor-bugs] #26019 [Applications/Tor Browser]: Allow javascript.options.ion, javascript.options.baselinejit, and javascript.options.native_regexp at the highest security level
#26019: Allow javascript.options.ion, javascript.options.baselinejit, and
javascript.options.native_regexp at the highest security level
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Reporter: cypherpunks | Owner: tbb-team
Type: defect | Status: needs_information
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by cypherpunks_reply):
On my machine (quad core, 3 Ghz), the lack of Javascript optimizations
increases extension initialization time greatly. Normally this blocks the
browser window from appearing during startup, but you can easily see it
happening by disabling and enabling an extension in about:addons.
With the security slider set to standard, uBlock Origin with most of the
default filters enabled initializes after about 5 seconds of one cpu core
pegged at 100%.
With the security slider set to safer, it takes 25 seconds. During this
time the browser UI is unresponsive.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26019#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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