I've decided to move from Firefox to Pale Moon, because what Mozilla plans to do at Firefox 57 regarding to Firefox extensions.
But after moving the content of my Firefox profile to the folder of the Pale Moon profile, I've noticed that Session Manager, despite it is appears as working correctly and fully functional at my Pale Moon 27.4.1, it appearing as incompatible in the addons:
Why this is happens?
Application Basics
------------------
Name: Pale Moon
Version: 27.4.1
Build ID: 20170801005452
Update Channel: default
User Agent: Mozilla/5.0 (Windows NT 6.1; rv:45.9) Gecko/20100101 Goanna/3.2 Firefox/45.9 PaleMoon/27.4.1
OS: Windows_NT 6.1
Multiprocess Windows: 0/8 (default: false)
Safe Mode: false
Extensions
----------
Name: Download YouTube Videos as MP4
Version: 1.8.10
Enabled: true
ID: {b9bfaf1c-a63f-47cd-8b9a-29526ced9060}
Name: IE View
Version: 1.5.6.1-signed.1-signed
Enabled: true
ID: {6e84150a-d526-41f1-a480-a67d3fed910d}
Name: NoScript
Version: 5.0.7.1
Enabled: true
ID: {73a6fe31-595d-460b-a920-fcc0f8843232}
Name: Session Manager
Version: 0.8.1.13
Enabled: true
ID: {1280606b-2510-4fe0-97ef-9b5a22eafe30}
Name: uBlock Origin
Version: 1.13.8
Enabled: true
ID: uBlock0@raymondhill.net
Graphics
--------
Adapter Description: NVIDIA GeForce GT 220
Adapter Drivers: nvd3dum nvwgf2um,nvwgf2um
Adapter RAM: 1024
ClearType Parameters: Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 50
Device ID: 0x0a20
Direct2D Enabled: true
DirectWrite Enabled: true (6.2.9200.22164)
Driver Date: 11-14-2016
Driver Version: 21.21.13.4201
GPU #2 Active: false
GPU Accelerated Windows: 8/8 Direct3D 11 (OMTC)
Subsys ID: 040110b0
Vendor ID: 0x10de
WebGL Renderer: Google Inc. -- ANGLE (NVIDIA GeForce GT 220 Direct3D11 vs_4_1 ps_4_1)
windowLayerManagerRemote: true
AzureCanvasBackend: direct2d 1.1
AzureContentBackend: direct2d 1.1
AzureFallbackCanvasBackend: cairo
AzureSkiaAccelerated: 0
Important Modified Preferences
------------------------------
accessibility.browsewithcaret_shortcut.enabled: false
accessibility.typeaheadfind: true
accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 358400
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.cache.frecency_experiment: 3
browser.download.importedFromSqlite: true
browser.link.open_newwindow: 2
browser.places.smartBookmarksVersion: 8
browser.search.context.loadInBackground: false
browser.search.useDBForOrder: true
browser.sessionstore.max_tabs_undo: 99
browser.sessionstore.max_windows_undo: 99
browser.sessionstore.upgradeBackup.latestBuildID: 20170628075643
browser.startup.homepage: google.co.il
browser.startup.homepage_override.buildID: 20170801005452
browser.startup.homepage_override.mstone: 3.2.2
browser.tabs.drawInTitlebar: false
browser.tabs.insertRelatedAfterCurrent: true
browser.tabs.loadInBackground: false
browser.tabs.remote.autostart.2: true
browser.urlbar.searchSuggestionsChoice: true
browser.urlbar.suggest.searches: true
browser.urlbar.trimURLs: true
dom.max_chrome_script_run_time: 40
dom.max_script_run_time: 40
extensions.lastAppVersion: 27.4.1
font.name.serif.x-western: Arial
gfx.crash-guard.d3d11layers.appVersion: 54.0.1
gfx.crash-guard.d3d11layers.deviceID: 0x0a20
gfx.crash-guard.d3d11layers.driverVersion: 21.21.13.4201
gfx.crash-guard.d3d11layers.feature-d2d: true
gfx.crash-guard.d3d11layers.feature-d3d11: true
gfx.crash-guard.status.d3d11layers: 2
gfx.crash-guard.status.d3d9video: 2
gfx.direct3d.last_used_feature_level_idx: 0
image.http.accept: image/webp,image/jxr,image/png,image/*;q=0.8,*/*;q=0.5
media.benchmark.vp9.fps: 62
media.benchmark.vp9.versioncheck: 2
media.gmp-gmpopenh264.abi: x86-msvc-x86
media.gmp-gmpopenh264.lastUpdate: 1499166377
media.gmp-gmpopenh264.version: 1.6
media.gmp-manager.buildID: 20170628075643
media.gmp-manager.lastCheck: 1501062529
media.gmp-widevinecdm.abi: x86-msvc-x86
media.gmp-widevinecdm.lastUpdate: 1499166380
media.gmp-widevinecdm.version: 1.4.8.903
media.gmp.storage.version.observed: 1
media.hardware-video-decoding.failed: false
media.mediasource.format-reader: false
media.mediasource.webm.enabled: true
media.peerconnection.ice.no_host: true
media.webrtc.debug.log_file: C:\Users\Doron\AppData\Local\Temp\WebRTC.log
network.cookie.cookieBehavior: 1
network.cookie.lifetimePolicy: 2
network.cookie.prefsMigrated: true
network.http.speculative-parallel-limit: 0
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1502723741
places.history.enabled: false
places.history.expiration.transient_current_max_pages: 80492
plugin.disable_full_page_plugin_for_types: application/pdf
plugin.importedState: true
plugin.state.flash: 1
plugin.state.java: 0
plugin.state.npauthz: 0
plugin.state.npdeployjava: 0
plugin.state.npspwrap: 0
privacy.cpd.cookies: false
privacy.history.custom: true
privacy.sanitize.migrateFx3Prefs: true
privacy.sanitize.sanitizeOnShutdown: true
security.sandbox.content.tempDirSuffix: {74972040-cdfa-44e4-937a-9b3f8aa9141f}
storage.vacuum.last.index: 0
storage.vacuum.last.places.sqlite: 1502723741
Important Locked Preferences
----------------------------
Places Database
---------------
JavaScript
----------
Incremental GC: true
Accessibility
-------------
Activated: false
Prevent Accessibility: 1
Library Versions
----------------
NSPR
Expected minimum version: 4.13.1
Version in use: 4.13.1
NSS
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSSMIME
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSSSL
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSUTIL
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
Experimental Features
---------------------
------------------
Name: Pale Moon
Version: 27.4.1
Build ID: 20170801005452
Update Channel: default
User Agent: Mozilla/5.0 (Windows NT 6.1; rv:45.9) Gecko/20100101 Goanna/3.2 Firefox/45.9 PaleMoon/27.4.1
OS: Windows_NT 6.1
Multiprocess Windows: 0/8 (default: false)
Safe Mode: false
Extensions
----------
Name: Download YouTube Videos as MP4
Version: 1.8.10
Enabled: true
ID: {b9bfaf1c-a63f-47cd-8b9a-29526ced9060}
Name: IE View
Version: 1.5.6.1-signed.1-signed
Enabled: true
ID: {6e84150a-d526-41f1-a480-a67d3fed910d}
Name: NoScript
Version: 5.0.7.1
Enabled: true
ID: {73a6fe31-595d-460b-a920-fcc0f8843232}
Name: Session Manager
Version: 0.8.1.13
Enabled: true
ID: {1280606b-2510-4fe0-97ef-9b5a22eafe30}
Name: uBlock Origin
Version: 1.13.8
Enabled: true
ID: uBlock0@raymondhill.net
Graphics
--------
Adapter Description: NVIDIA GeForce GT 220
Adapter Drivers: nvd3dum nvwgf2um,nvwgf2um
Adapter RAM: 1024
ClearType Parameters: Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 50
Device ID: 0x0a20
Direct2D Enabled: true
DirectWrite Enabled: true (6.2.9200.22164)
Driver Date: 11-14-2016
Driver Version: 21.21.13.4201
GPU #2 Active: false
GPU Accelerated Windows: 8/8 Direct3D 11 (OMTC)
Subsys ID: 040110b0
Vendor ID: 0x10de
WebGL Renderer: Google Inc. -- ANGLE (NVIDIA GeForce GT 220 Direct3D11 vs_4_1 ps_4_1)
windowLayerManagerRemote: true
AzureCanvasBackend: direct2d 1.1
AzureContentBackend: direct2d 1.1
AzureFallbackCanvasBackend: cairo
AzureSkiaAccelerated: 0
Important Modified Preferences
------------------------------
accessibility.browsewithcaret_shortcut.enabled: false
accessibility.typeaheadfind: true
accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 358400
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.cache.frecency_experiment: 3
browser.download.importedFromSqlite: true
browser.link.open_newwindow: 2
browser.places.smartBookmarksVersion: 8
browser.search.context.loadInBackground: false
browser.search.useDBForOrder: true
browser.sessionstore.max_tabs_undo: 99
browser.sessionstore.max_windows_undo: 99
browser.sessionstore.upgradeBackup.latestBuildID: 20170628075643
browser.startup.homepage: google.co.il
browser.startup.homepage_override.buildID: 20170801005452
browser.startup.homepage_override.mstone: 3.2.2
browser.tabs.drawInTitlebar: false
browser.tabs.insertRelatedAfterCurrent: true
browser.tabs.loadInBackground: false
browser.tabs.remote.autostart.2: true
browser.urlbar.searchSuggestionsChoice: true
browser.urlbar.suggest.searches: true
browser.urlbar.trimURLs: true
dom.max_chrome_script_run_time: 40
dom.max_script_run_time: 40
extensions.lastAppVersion: 27.4.1
font.name.serif.x-western: Arial
gfx.crash-guard.d3d11layers.appVersion: 54.0.1
gfx.crash-guard.d3d11layers.deviceID: 0x0a20
gfx.crash-guard.d3d11layers.driverVersion: 21.21.13.4201
gfx.crash-guard.d3d11layers.feature-d2d: true
gfx.crash-guard.d3d11layers.feature-d3d11: true
gfx.crash-guard.status.d3d11layers: 2
gfx.crash-guard.status.d3d9video: 2
gfx.direct3d.last_used_feature_level_idx: 0
image.http.accept: image/webp,image/jxr,image/png,image/*;q=0.8,*/*;q=0.5
media.benchmark.vp9.fps: 62
media.benchmark.vp9.versioncheck: 2
media.gmp-gmpopenh264.abi: x86-msvc-x86
media.gmp-gmpopenh264.lastUpdate: 1499166377
media.gmp-gmpopenh264.version: 1.6
media.gmp-manager.buildID: 20170628075643
media.gmp-manager.lastCheck: 1501062529
media.gmp-widevinecdm.abi: x86-msvc-x86
media.gmp-widevinecdm.lastUpdate: 1499166380
media.gmp-widevinecdm.version: 1.4.8.903
media.gmp.storage.version.observed: 1
media.hardware-video-decoding.failed: false
media.mediasource.format-reader: false
media.mediasource.webm.enabled: true
media.peerconnection.ice.no_host: true
media.webrtc.debug.log_file: C:\Users\Doron\AppData\Local\Temp\WebRTC.log
network.cookie.cookieBehavior: 1
network.cookie.lifetimePolicy: 2
network.cookie.prefsMigrated: true
network.http.speculative-parallel-limit: 0
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1502723741
places.history.enabled: false
places.history.expiration.transient_current_max_pages: 80492
plugin.disable_full_page_plugin_for_types: application/pdf
plugin.importedState: true
plugin.state.flash: 1
plugin.state.java: 0
plugin.state.npauthz: 0
plugin.state.npdeployjava: 0
plugin.state.npspwrap: 0
privacy.cpd.cookies: false
privacy.history.custom: true
privacy.sanitize.migrateFx3Prefs: true
privacy.sanitize.sanitizeOnShutdown: true
security.sandbox.content.tempDirSuffix: {74972040-cdfa-44e4-937a-9b3f8aa9141f}
storage.vacuum.last.index: 0
storage.vacuum.last.places.sqlite: 1502723741
Important Locked Preferences
----------------------------
Places Database
---------------
JavaScript
----------
Incremental GC: true
Accessibility
-------------
Activated: false
Prevent Accessibility: 1
Library Versions
----------------
NSPR
Expected minimum version: 4.13.1
Version in use: 4.13.1
NSS
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSSMIME
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSSSL
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
NSSUTIL
Expected minimum version: 3.28.5.1
Version in use: 3.28.5.1
Experimental Features
---------------------